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152832661 = 191800171
BaseRepresentation
bin10010001110000…
…00101010010101
3101122120200222221
421013000222111
5303111121121
623055422341
73534025162
oct1107005225
9348520887
10152832661
11792a7493
12432249b1
1325881337
1416425069
15d63db41
hex91c0a95

152832661 has 4 divisors (see below), whose sum is σ = 153633024. Its totient is φ = 152032300.

The previous prime is 152832653. The next prime is 152832671. The reversal of 152832661 is 166238251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152832661 - 23 = 152832653 is a prime.

It is a super-4 number, since 4×1528326614 (a number of 34 digits) contains 4444 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 (152832671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399895 + ... + 400276.

It is an arithmetic number, because the mean of its divisors is an integer number (38408256).

Almost surely, 2152832661 is an apocalyptic number.

It is an amenable number.

152832661 is a deficient number, since it is larger than the sum of its proper divisors (800363).

152832661 is an equidigital number, since it uses as much as digits as its factorization.

152832661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800362.

The product of its digits is 17280, while the sum is 34.

The square root of 152832661 is about 12362.5507481264. The cubic root of 152832661 is about 534.6530618152.

The spelling of 152832661 in words is "one hundred fifty-two million, eight hundred thirty-two thousand, six hundred sixty-one".

Divisors: 1 191 800171 152832661