Base | Representation |
---|---|
bin | 10010001101101… |
… | …10100011101000 |
3 | 101122111121020000 |
4 | 21012312203220 |
5 | 303103310042 |
6 | 23054503000 |
7 | 3533463414 |
oct | 1106664350 |
9 | 348447200 |
10 | 152791272 |
11 | 79279387 |
12 | 43204a60 |
13 | 2586854a |
14 | 16413d44 |
15 | d63174c |
hex | 91b68e8 |
152791272 has 40 divisors (see below), whose sum is σ = 427958850. Its totient is φ = 50930208.
The previous prime is 152791271. The next prime is 152791273. The reversal of 152791272 is 272197251.
152791272 is a `hidden beast` number, since 1 + 527 + 9 + 127 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (152791271) and next prime (152791273).
It can be written as a sum of positive squares in only one way, i.e., 92044836 + 60746436 = 9594^2 + 7794^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (152791271) by changing a digit.
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 9 ways as a sum of consecutive naturals, for example, 117247 + ... + 118542.
Almost surely, 2152791272 is an apocalyptic number.
152791272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
152791272 is an abundant number, since it is smaller than the sum of its proper divisors (275167578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152791272 is a wasteful number, since it uses less digits than its factorization.
152791272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235807 (or 235794 counting only the distinct ones).
The product of its digits is 17640, while the sum is 36.
The square root of 152791272 is about 12360.8766679391. The cubic root of 152791272 is about 534.6047938745.
The spelling of 152791272 in words is "one hundred fifty-two million, seven hundred ninety-one thousand, two hundred seventy-two".
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