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151926640 = 2451899083
BaseRepresentation
bin10010000111000…
…11011101110000
3101120212200011121
421003203131300
5302343123030
623024152024
73523232545
oct1103433560
9346780147
10151926640
1178838808
1242a68614
1325624b28
141626abcc
15d51047a
hex90e3770

151926640 has 20 divisors (see below), whose sum is σ = 353229624. Its totient is φ = 60770624.

The previous prime is 151926631. The next prime is 151926667. The reversal of 151926640 is 46629151.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 151926596 and 151926605.

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 3 ways as a sum of consecutive naturals, for example, 949462 + ... + 949621.

Almost surely, 2151926640 is an apocalyptic number.

151926640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151926640 is an abundant number, since it is smaller than the sum of its proper divisors (201302984).

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

151926640 is a wasteful number, since it uses less digits than its factorization.

151926640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899096 (or 1899090 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 151926640 is about 12325.8525060135. The cubic root of 151926640 is about 533.5944589349.

The spelling of 151926640 in words is "one hundred fifty-one million, nine hundred twenty-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1899083 3798166 7596332 9495415 15192664 18990830 30385328 37981660 75963320 151926640