Base | Representation |
---|---|
bin | 10010110001011… |
… | …11101110110110 |
3 | 101222022220120100 |
4 | 21120233232312 |
5 | 310303410120 |
6 | 23343214530 |
7 | 3621400635 |
oct | 1130575666 |
9 | 358286510 |
10 | 157481910 |
11 | 80992543 |
12 | 448a7446 |
13 | 2681b581 |
14 | 16cb551c |
15 | dc5b490 |
hex | 962fbb6 |
157481910 has 48 divisors (see below), whose sum is σ = 418985424. Its totient is φ = 41017536.
The previous prime is 157481903. The next prime is 157481917. The reversal of 157481910 is 19184751.
157481910 is a `hidden beast` number, since 1 + 574 + 81 + 9 + 1 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (157481903) and next prime (157481917).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157481917) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16477 + ... + 24216.
It is an arithmetic number, because the mean of its divisors is an integer number (8728863).
Almost surely, 2157481910 is an apocalyptic number.
157481910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157481910 is an abundant number, since it is smaller than the sum of its proper divisors (261503514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157481910 is a wasteful number, since it uses less digits than its factorization.
157481910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40749 (or 40746 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 36.
The square root of 157481910 is about 12549.1796544635. The cubic root of 157481910 is about 540.0204724749.
The spelling of 157481910 in words is "one hundred fifty-seven million, four hundred eighty-one thousand, nine hundred ten".
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