Base | Representation |
---|---|
bin | 10010011111101… |
… | …11111110111100 |
3 | 101210221202120210 |
4 | 21033313332330 |
5 | 304210001122 |
6 | 23221312420 |
7 | 3562544025 |
oct | 1117677674 |
9 | 353852523 |
10 | 155156412 |
11 | 7a644344 |
12 | 43b65710 |
13 | 261b5c38 |
14 | 1686bc4c |
15 | d94c40c |
hex | 93f7fbc |
155156412 has 24 divisors (see below), whose sum is σ = 363874896. Its totient is φ = 51455488.
The previous prime is 155156411. The next prime is 155156453. The reversal of 155156412 is 214651551.
It is a self number, because there is not a number n which added to its sum of digits gives 155156412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155156411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30453 + ... + 35180.
It is an arithmetic number, because the mean of its divisors is an integer number (15161454).
Almost surely, 2155156412 is an apocalyptic number.
155156412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
155156412 is an abundant number, since it is smaller than the sum of its proper divisors (208718484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155156412 is a wasteful number, since it uses less digits than its factorization.
155156412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65837 (or 65835 counting only the distinct ones).
The product of its digits is 6000, while the sum is 30.
The square root of 155156412 is about 12456.1796711512. The cubic root of 155156412 is about 537.3491620733.
The spelling of 155156412 in words is "one hundred fifty-five million, one hundred fifty-six thousand, four hundred twelve".
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