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1939080 = 23351113113
BaseRepresentation
bin111011001011010001000
310122111220210
413121122020
5444022310
6105321120
722324203
oct7313210
93574823
101939080
111104950
127961a0
1352b7b0
1438693a
15284820
hex1d9688

1939080 has 128 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 430080.

The previous prime is 1939073. The next prime is 1939097. The reversal of 1939080 is 809391.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17104 + ... + 17216.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

21939080 is an apocalyptic number.

1939080 is a gapful number since it is divisible by the number (10) 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 1939080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

1939080 is an abundant number, since it is smaller than the sum of its proper divisors (4955640).

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

1939080 is a wasteful number, since it uses less digits than its factorization.

1939080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1939080 is about 1392.5085278015. The cubic root of 1939080 is about 124.6996522411.

The spelling of 1939080 in words is "one million, nine hundred thirty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 13 15 20 22 24 26 30 33 39 40 44 52 55 60 65 66 78 88 104 110 113 120 130 132 143 156 165 195 220 226 260 264 286 312 330 339 390 429 440 452 520 565 572 660 678 715 780 858 904 1130 1144 1243 1320 1356 1430 1469 1560 1695 1716 2145 2260 2486 2712 2860 2938 3390 3432 3729 4290 4407 4520 4972 5720 5876 6215 6780 7345 7458 8580 8814 9944 11752 12430 13560 14690 14916 16159 17160 17628 18645 22035 24860 29380 29832 32318 35256 37290 44070 48477 49720 58760 64636 74580 80795 88140 96954 129272 149160 161590 176280 193908 242385 323180 387816 484770 646360 969540 1939080