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155014312 = 23193743641
BaseRepresentation
bin10010011110101…
…01010010101000
3101210200112122211
421033111102220
5304140424222
623214254504
73561412525
oct1117252250
9353615584
10155014312
117a557602
1243ab7434
132616635b
141683214c
15d920277
hex93d54a8

155014312 has 64 divisors (see below), whose sum is σ = 322027200. Its totient is φ = 69672960.

The previous prime is 155014297. The next prime is 155014339. The reversal of 155014312 is 213410551.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 241512 + ... + 242152.

It is an arithmetic number, because the mean of its divisors is an integer number (5031675).

Almost surely, 2155014312 is an apocalyptic number.

It is an amenable number.

155014312 is an abundant number, since it is smaller than the sum of its proper divisors (167012888).

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

155014312 is a wasteful number, since it uses less digits than its factorization.

155014312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 155014312 is about 12450.4743684729. The cubic root of 155014312 is about 537.1850682245.

Adding to 155014312 its reverse (213410551), we get a palindrome (368424863).

The spelling of 155014312 in words is "one hundred fifty-five million, fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 19 37 38 43 74 76 86 148 152 172 296 344 641 703 817 1282 1406 1591 1634 2564 2812 3182 3268 5128 5624 6364 6536 12179 12728 23717 24358 27563 30229 47434 48716 55126 60458 94868 97432 110252 120916 189736 220504 241832 450623 523697 901246 1019831 1047394 1802492 2039662 2094788 3604984 4079324 4189576 8158648 19376789 38753578 77507156 155014312