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2990880 = 253253167
BaseRepresentation
bin1011011010001100100000
312121221201100
423122030200
51231202010
6144034400
734264524
oct13321440
95557640
102990880
111763102
121002a00
13809469
1457bd84
153e12c0
hex2da320

2990880 has 144 divisors (see below), whose sum is σ = 10692864. Its totient is φ = 760320.

The previous prime is 2990879. The next prime is 2990881. The reversal of 2990880 is 880992.

It is an interprime number because it is at equal distance from previous prime (2990879) and next prime (2990881).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2990881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44607 + ... + 44673.

It is an arithmetic number, because the mean of its divisors is an integer number (74256).

22990880 is an apocalyptic number.

2990880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2990880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5346432).

2990880 is an abundant number, since it is smaller than the sum of its proper divisors (7701984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2990880 is a wasteful number, since it uses less digits than its factorization.

2990880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2990880 is about 1729.4160864292. The cubic root of 2990880 is about 144.0786607271.

It can be divided in two parts, 29 and 90880, that added together give a palindrome (90909).

The spelling of 2990880 in words is "two million, nine hundred ninety thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 67 72 80 90 93 96 120 124 134 144 155 160 180 186 201 240 248 268 279 288 310 335 360 372 402 465 480 496 536 558 603 620 670 720 744 804 930 992 1005 1072 1116 1206 1240 1340 1395 1440 1488 1608 1860 2010 2077 2144 2232 2412 2480 2680 2790 2976 3015 3216 3720 4020 4154 4464 4824 4960 5360 5580 6030 6231 6432 7440 8040 8308 8928 9648 10385 10720 11160 12060 12462 14880 16080 16616 18693 19296 20770 22320 24120 24924 31155 32160 33232 37386 41540 44640 48240 49848 62310 66464 74772 83080 93465 96480 99696 124620 149544 166160 186930 199392 249240 299088 332320 373860 498480 598176 747720 996960 1495440 2990880