Base | Representation |
---|---|
bin | 10010101111110… |
… | …00010100010100 |
3 | 101221220101012202 |
4 | 21113320110110 |
5 | 310224124212 |
6 | 23334304032 |
7 | 3616434122 |
oct | 1127702424 |
9 | 357811182 |
10 | 157254932 |
11 | 80847a5a |
12 | 447b8018 |
13 | 2676c173 |
14 | 16c56912 |
15 | dc140c2 |
hex | 95f8514 |
157254932 has 12 divisors (see below), whose sum is σ = 275295636. Its totient is φ = 78599040.
The previous prime is 157254899. The next prime is 157254949. The reversal of 157254932 is 239452751.
It can be written as a sum of positive squares in 2 ways, for example, as 122633476 + 34621456 = 11074^2 + 5884^2 .
It is a super-2 number, since 2×1572549322 = 49458227276649248, which contains 22 as substring.
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 9818 + ... + 20270.
It is an arithmetic number, because the mean of its divisors is an integer number (22941303).
Almost surely, 2157254932 is an apocalyptic number.
It is an amenable number.
157254932 is a deficient number, since it is larger than the sum of its proper divisors (118040704).
157254932 is a wasteful number, since it uses less digits than its factorization.
157254932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14218 (or 14216 counting only the distinct ones).
The product of its digits is 75600, while the sum is 38.
The square root of 157254932 is about 12540.1328541607. The cubic root of 157254932 is about 539.7609046683.
The spelling of 157254932 in words is "one hundred fifty-seven million, two hundred fifty-four thousand, nine hundred thirty-two".
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