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147955808 = 257111331149
BaseRepresentation
bin10001101000110…
…10000001100000
3101022101221012202
420310122001200
5300334041213
622403112332
73444414020
oct1064320140
9338357182
10147955808
1176576430
12416726a8
1324864620
1415915a80
15cec8b58
hex8d1a060

147955808 has 192 divisors, whose sum is σ = 406425600. Its totient is φ = 51148800.

The previous prime is 147955799. The next prime is 147955813. The reversal of 147955808 is 808559741.

It is a super-2 number, since 2×1479558082 = 43781842241865728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 992918 + ... + 993066.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2147955808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147955808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203212800).

147955808 is an abundant number, since it is smaller than the sum of its proper divisors (258469792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147955808 is a wasteful number, since it uses less digits than its factorization.

147955808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 147955808 is about 12163.7086449816. The cubic root of 147955808 is about 528.9045941035.

The spelling of 147955808 in words is "one hundred forty-seven million, nine hundred fifty-five thousand, eight hundred eight".