Base | Representation |
---|---|
bin | 10010110010000… |
… | …01011100001100 |
3 | 101222110121001210 |
4 | 21121001130030 |
5 | 310313220234 |
6 | 23344534420 |
7 | 3622122255 |
oct | 1131013414 |
9 | 358417053 |
10 | 157554444 |
11 | 80a31a93 |
12 | 44921410 |
13 | 268455a8 |
14 | 16cd3b2c |
15 | dc72be9 |
hex | 964170c |
157554444 has 12 divisors (see below), whose sum is σ = 367627064. Its totient is φ = 52518144.
The previous prime is 157554443. The next prime is 157554461. The reversal of 157554444 is 444455751.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (157554443) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 6564757 + ... + 6564780.
Almost surely, 2157554444 is an apocalyptic number.
It is an amenable number.
157554444 is an abundant number, since it is smaller than the sum of its proper divisors (210072620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157554444 is a wasteful number, since it uses less digits than its factorization.
157554444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13129544 (or 13129542 counting only the distinct ones).
The product of its digits is 224000, while the sum is 39.
The square root of 157554444 is about 12552.0693114721. The cubic root of 157554444 is about 540.1033684147.
The spelling of 157554444 in words is "one hundred fifty-seven million, five hundred fifty-four thousand, four hundred forty-four".
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