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152291047 = 1811974271
BaseRepresentation
bin10010001001111…
…00011011100111
3101121120012001011
421010330123213
5302441303142
623040043051
73526311136
oct1104743347
9347505034
10152291047
1178a67577
1243003487
132572195c
141632391d
15d583417
hex913c6e7

152291047 has 8 divisors (see below), whose sum is σ = 153945792. Its totient is φ = 150645600.

The previous prime is 152291017. The next prime is 152291053. The reversal of 152291047 is 740192251.

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

It is a cyclic number.

It is not a de Polignac number, because 152291047 - 211 = 152288999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152291017) 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, 33522 + ... + 37792.

It is an arithmetic number, because the mean of its divisors is an integer number (19243224).

Almost surely, 2152291047 is an apocalyptic number.

152291047 is a deficient number, since it is larger than the sum of its proper divisors (1654745).

152291047 is a wasteful number, since it uses less digits than its factorization.

152291047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 152291047 is about 12340.6258755381. The cubic root of 152291047 is about 534.0207398885.

The spelling of 152291047 in words is "one hundred fifty-two million, two hundred ninety-one thousand, forty-seven".

Divisors: 1 181 197 4271 35657 773051 841387 152291047