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29926140 = 22351926251
BaseRepresentation
bin111001000101…
…0001011111100
32002022101221120
41302022023330
530130114030
62545230540
7512240136
oct162121374
962271846
1029926140
111598aa52
12a032450
13627a49a
143d90056
152962010
hex1c8a2fc

29926140 has 48 divisors (see below), whose sum is σ = 88206720. Its totient is φ = 7560000.

The previous prime is 29926139. The next prime is 29926177. The reversal of 29926140 is 4162992.

It is a congruent number.

It is an unprimeable number.

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, 11986 + ... + 14265.

It is an arithmetic number, because the mean of its divisors is an integer number (1837640).

Almost surely, 229926140 is an apocalyptic number.

29926140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29926140 is an abundant number, since it is smaller than the sum of its proper divisors (58280580).

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

29926140 is a wasteful number, since it uses less digits than its factorization.

29926140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26282 (or 26280 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 29926140 is about 5470.4789552653. The cubic root of 29926140 is about 310.4680408242.

The spelling of 29926140 in words is "twenty-nine million, nine hundred twenty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 26251 52502 78753 105004 131255 157506 262510 315012 393765 498769 525020 787530 997538 1496307 1575060 1995076 2493845 2992614 4987690 5985228 7481535 9975380 14963070 29926140