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2948720 = 245293141
BaseRepresentation
bin1011001111111001110000
312112210212212
423033321300
51223324340
6143111252
734030565
oct13177160
95483785
102948720
111734465
12ba2528
137c3208
1456a86c
153d3a65
hex2cfe70

2948720 has 80 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 1075200.

The previous prime is 2948713. The next prime is 2948723. The reversal of 2948720 is 278492.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2948723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71900 + ... + 71940.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

22948720 is an apocalyptic number.

2948720 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 2948720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

2948720 is an abundant number, since it is smaller than the sum of its proper divisors (4550800).

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

2948720 is a wasteful number, since it uses less digits than its factorization.

2948720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2948720 is about 1717.1837408967. The cubic root of 2948720 is about 143.3984680829.

The spelling of 2948720 in words is "two million, nine hundred forty-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 31 40 41 58 62 80 82 116 124 145 155 164 205 232 248 290 310 328 410 464 496 580 620 656 820 899 1160 1189 1240 1271 1640 1798 2320 2378 2480 2542 3280 3596 4495 4756 5084 5945 6355 7192 8990 9512 10168 11890 12710 14384 17980 19024 20336 23780 25420 35960 36859 47560 50840 71920 73718 95120 101680 147436 184295 294872 368590 589744 737180 1474360 2948720