Base | Representation |
---|---|
bin | 10010001111000… |
… | …10110110100101 |
3 | 101122211211002220 |
4 | 21013202312211 |
5 | 303130111314 |
6 | 23102422553 |
7 | 3535150401 |
oct | 1107426645 |
9 | 348754086 |
10 | 152972709 |
11 | 7939272a |
12 | 43291a59 |
13 | 258cccc6 |
14 | 16460101 |
15 | d66a3a9 |
hex | 91e2da5 |
152972709 has 8 divisors (see below), whose sum is σ = 210996960. Its totient is φ = 98465136.
The previous prime is 152972707. The next prime is 152972713. The reversal of 152972709 is 907279251.
152972709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 152972709 - 21 = 152972707 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152972707) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879067 + ... + 879240.
It is an arithmetic number, because the mean of its divisors is an integer number (26374620).
Almost surely, 2152972709 is an apocalyptic number.
It is an amenable number.
152972709 is a deficient number, since it is larger than the sum of its proper divisors (58024251).
152972709 is a wasteful number, since it uses less digits than its factorization.
152972709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1758339.
The product of its (nonzero) digits is 79380, while the sum is 42.
The square root of 152972709 is about 12368.2136543642. The cubic root of 152972709 is about 534.8163214919.
The spelling of 152972709 in words is "one hundred fifty-two million, nine hundred seventy-two thousand, seven hundred nine".
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