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39072992 = 257224919
BaseRepresentation
bin1001010100001…
…1010011100000
32201112010001212
42111003103200
540000313432
63513245252
7653054300
oct225032340
981463055
1039072992
1120068132
1211103828
13813091a
145291600
15366c2b2
hex25434e0

39072992 has 36 divisors (see below), whose sum is σ = 89487720. Its totient is φ = 16744896.

The previous prime is 39072991. The next prime is 39073003. The reversal of 39072992 is 29927093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39072991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10892 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (2485770).

Almost surely, 239072992 is an apocalyptic number.

39072992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39072992 is an abundant number, since it is smaller than the sum of its proper divisors (50414728).

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

39072992 is a wasteful number, since it uses less digits than its factorization.

39072992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24943 (or 24928 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 39072992 is about 6250.8393036456. The cubic root of 39072992 is about 339.3325776692.

The spelling of 39072992 in words is "thirty-nine million, seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 24919 49838 99676 174433 199352 348866 398704 697732 797408 1221031 1395464 2442062 2790928 4884124 5581856 9768248 19536496 39072992