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151500139 = 727497873
BaseRepresentation
bin10010000011110…
…11010101101011
3101120002000010021
421001323111223
5302241001024
623011101311
73516505240
oct1101732553
9346060107
10151500139
117857732a
12428a1837
132550596b
14161995c7
15d478de4
hex907b56b

151500139 has 8 divisors (see below), whose sum is σ = 173228000. Its totient is φ = 129793536.

The previous prime is 151500127. The next prime is 151500143. The reversal of 151500139 is 931005151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151500139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151500109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15307 + ... + 23179.

It is an arithmetic number, because the mean of its divisors is an integer number (21653500).

Almost surely, 2151500139 is an apocalyptic number.

151500139 is a deficient number, since it is larger than the sum of its proper divisors (21727861).

151500139 is an equidigital number, since it uses as much as digits as its factorization.

151500139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10629.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 151500139 is about 12308.5392715789. The cubic root of 151500139 is about 533.0946741655.

The spelling of 151500139 in words is "one hundred fifty-one million, five hundred thousand, one hundred thirty-nine".

Divisors: 1 7 2749 7873 19243 55111 21642877 151500139