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155488113 = 3311411132
BaseRepresentation
bin10010100010010…
…00111101110001
3101211120121121000
421101020331301
5304301104423
623232352213
73565425054
oct1121107561
9354517530
10155488113
117a850580
12440a5669
13262a0c01
1416916a9b
15d9b5843
hex9448f71

155488113 has 48 divisors (see below), whose sum is σ = 259721280. Its totient is φ = 91123200.

The previous prime is 155488019. The next prime is 155488121. The reversal of 155488113 is 311884551.

It is not a de Polignac number, because 155488113 - 29 = 155487601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155488163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1375945 + ... + 1376057.

It is an arithmetic number, because the mean of its divisors is an integer number (5410860).

Almost surely, 2155488113 is an apocalyptic number.

It is an amenable number.

155488113 is a deficient number, since it is larger than the sum of its proper divisors (104233167).

155488113 is a wasteful number, since it uses less digits than its factorization.

155488113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 168 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 155488113 is about 12469.4872789542. The cubic root of 155488113 is about 537.7318133315.

The spelling of 155488113 in words is "one hundred fifty-five million, four hundred eighty-eight thousand, one hundred thirteen".

Divisors: 1 3 9 11 27 33 41 99 113 123 297 339 369 451 1017 1107 1243 1353 3051 3729 4059 4633 11187 12177 12769 13899 33561 38307 41697 50963 114921 125091 140459 152889 344763 421377 458667 523529 1264131 1376001 1570587 3792393 4711761 5758819 14135283 17276457 51829371 155488113