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1072910680 = 235292713413
BaseRepresentation
bin111111111100110…
…101000101011000
32202202212111202121
4333330311011120
54144131120210
6254244111024
735405406322
oct7774650530
92682774677
101072910680
115006a2746
1225b395474
131413877ba
14a26ca612
15642d46da
hex3ff35158

1072910680 has 64 divisors (see below), whose sum is σ = 2507241600. Its totient is φ = 412715520.

The previous prime is 1072910669. The next prime is 1072910701. The reversal of 1072910680 is 860192701.

It is a happy number.

It is a super-2 number, since 2×10729106802 = 2302274654516124800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312654 + ... + 316066.

It is an arithmetic number, because the mean of its divisors is an integer number (39175650).

Almost surely, 21072910680 is an apocalyptic number.

1072910680 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 1072910680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253620800).

1072910680 is an abundant number, since it is smaller than the sum of its proper divisors (1434330920).

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

1072910680 is a wasteful number, since it uses less digits than its factorization.

1072910680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1072910680 is about 32755.3152938573. The cubic root of 1072910680 is about 1023.7357182360.

The spelling of 1072910680 in words is "one billion, seventy-two million, nine hundred ten thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 271 290 542 580 1084 1160 1355 2168 2710 3413 5420 6826 7859 10840 13652 15718 17065 27304 31436 34130 39295 62872 68260 78590 98977 136520 157180 197954 314360 395908 494885 791816 924923 989770 1849846 1979540 3699692 3959080 4624615 7399384 9249230 18498460 26822767 36996920 53645534 107291068 134113835 214582136 268227670 536455340 1072910680