Base | Representation |
---|---|
bin | 10010001000110… |
… | …00010001100001 |
3 | 101121021122212220 |
4 | 21010120101201 |
5 | 302422033240 |
6 | 23032541253 |
7 | 3525123303 |
oct | 1104302141 |
9 | 347248786 |
10 | 152142945 |
11 | 78976279 |
12 | 42b51829 |
13 | 2569c416 |
14 | 162c5973 |
15 | d5545d0 |
hex | 9118461 |
152142945 has 32 divisors (see below), whose sum is σ = 258432768. Its totient is φ = 76167168.
The previous prime is 152142943. The next prime is 152142971. The reversal of 152142945 is 549241251.
It is not a de Polignac number, because 152142945 - 21 = 152142943 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152142943) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156852 + ... + 157818.
It is an arithmetic number, because the mean of its divisors is an integer number (8076024).
Almost surely, 2152142945 is an apocalyptic number.
152142945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
152142945 is a deficient number, since it is larger than the sum of its proper divisors (106289823).
152142945 is a wasteful number, since it uses less digits than its factorization.
152142945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1609.
The product of its digits is 14400, while the sum is 33.
The square root of 152142945 is about 12334.6238288810. The cubic root of 152142945 is about 533.8475732380.
The spelling of 152142945 in words is "one hundred fifty-two million, one hundred forty-two thousand, nine hundred forty-five".
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