Base | Representation |
---|---|
bin | 10010010111111… |
… | …01101101000000 |
3 | 101202000200100100 |
4 | 21023331231000 |
5 | 303424200024 |
6 | 23143322400 |
7 | 3551044200 |
oct | 1113755500 |
9 | 352020310 |
10 | 154131264 |
11 | 7a004111 |
12 | 43750400 |
13 | 25c17441 |
14 | 16682400 |
15 | d7e87c9 |
hex | 92fdb40 |
154131264 has 252 divisors, whose sum is σ = 530010624. Its totient is φ = 42674688.
The previous prime is 154131247. The next prime is 154131269. The reversal of 154131264 is 462131451.
It is a happy number.
154131264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (252).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154131269) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1213569 + ... + 1213695.
Almost surely, 2154131264 is an apocalyptic number.
154131264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154131264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265005312).
154131264 is an abundant number, since it is smaller than the sum of its proper divisors (375879360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154131264 is a wasteful number, since it uses less digits than its factorization.
154131264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202 (or 182 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 154131264 is about 12414.9612967580. The cubic root of 154131264 is about 536.1630898975.
The spelling of 154131264 in words is "one hundred fifty-four million, one hundred thirty-one thousand, two hundred sixty-four".
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