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152001831 = 350667277
BaseRepresentation
bin10010000111101…
…01110100100111
3101121000111022110
421003311310213
5302403024311
623025532103
73523665012
oct1103656447
9347014273
10152001831
117888a253
1242aa4033
1325650117
141628a379
15d5278a6
hex90f5d27

152001831 has 4 divisors (see below), whose sum is σ = 202669112. Its totient is φ = 101334552.

The previous prime is 152001799. The next prime is 152001853. The reversal of 152001831 is 138100251.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 152001831 - 25 = 152001799 is a prime.

It is a super-2 number, since 2×1520018312 = 46209113254705122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152001798 and 152001807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152001931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25333636 + ... + 25333641.

It is an arithmetic number, because the mean of its divisors is an integer number (50667278).

Almost surely, 2152001831 is an apocalyptic number.

152001831 is a deficient number, since it is larger than the sum of its proper divisors (50667281).

152001831 is an equidigital number, since it uses as much as digits as its factorization.

152001831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50667280.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 152001831 is about 12328.9022625699. The cubic root of 152001831 is about 533.6824726496.

The spelling of 152001831 in words is "one hundred fifty-two million, one thousand, eight hundred thirty-one".

Divisors: 1 3 50667277 152001831