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131952151 = 317159951
BaseRepresentation
bin1111101110101…
…10111000010111
3100012021212022201
413313112320113
5232234432101
621032105331
73161401102
oct767267027
9305255281
10131952151
1168535671
1238235247
13214501c6
141374b739
15b8b6e01
hex7dd6e17

131952151 has 8 divisors (see below), whose sum is σ = 138129408. Its totient is φ = 125895000.

The previous prime is 131952137. The next prime is 131952179. The reversal of 131952151 is 151259131.

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 131952151 - 29 = 131951639 is a prime.

It is a super-2 number, since 2×1319521512 = 34822740307053602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131952451) 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, 27775 + ... + 32176.

It is an arithmetic number, because the mean of its divisors is an integer number (17266176).

Almost surely, 2131952151 is an apocalyptic number.

131952151 is a deficient number, since it is larger than the sum of its proper divisors (6177257).

131952151 is an equidigital number, since it uses as much as digits as its factorization.

131952151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60053.

The product of its digits is 1350, while the sum is 28.

The square root of 131952151 is about 11487.0427438919. The cubic root of 131952151 is about 509.1028067923.

The spelling of 131952151 in words is "one hundred thirty-one million, nine hundred fifty-two thousand, one hundred fifty-one".

Divisors: 1 31 71 2201 59951 1858481 4256521 131952151