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155485372 = 2276198971
BaseRepresentation
bin10010100010010…
…00010010111100
3101211120110211111
421101020102330
5304301012442
623232331404
73565414060
oct1121102274
9354513744
10155485372
117a849509
12440a3b64
132629c8a3
1416915aa0
15d9b4b17
hex94484bc

155485372 has 24 divisors (see below), whose sum is σ = 311507840. Its totient is φ = 66521520.

The previous prime is 155485333. The next prime is 155485439. The reversal of 155485372 is 273584551.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12847 + ... + 21817.

Almost surely, 2155485372 is an apocalyptic number.

It is an amenable number.

155485372 is an abundant number, since it is smaller than the sum of its proper divisors (156022468).

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

155485372 is a wasteful number, since it uses less digits than its factorization.

155485372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9601 (or 9599 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 155485372 is about 12469.3773701817. The cubic root of 155485372 is about 537.7286535368.

The spelling of 155485372 in words is "one hundred fifty-five million, four hundred eighty-five thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 619 1238 2476 4333 8666 8971 17332 17942 35884 62797 125594 251188 5553049 11106098 22212196 38871343 77742686 155485372