Base | Representation |
---|---|
bin | 10010001111000… |
… | …10011011000001 |
3 | 101122211201200120 |
4 | 21013202123001 |
5 | 303130032240 |
6 | 23102410453 |
7 | 3535142301 |
oct | 1107423301 |
9 | 348751616 |
10 | 152970945 |
11 | 79391376 |
12 | 43290a29 |
13 | 258cc26a |
14 | 1645d601 |
15 | d669ad0 |
hex | 91e26c1 |
152970945 has 32 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 80237760.
The previous prime is 152970941. The next prime is 152970949. The reversal of 152970945 is 549079251.
It is an interprime number because it is at equal distance from previous prime (152970941) and next prime (152970949).
It is not a de Polignac number, because 152970945 - 22 = 152970941 is a prime.
It is a super-2 number, since 2×1529709452 = 46800220028386050, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 152970897 and 152970906.
It is not an unprimeable number, because it can be changed into a prime (152970941) 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, 306306 + ... + 306804.
It is an arithmetic number, because the mean of its divisors is an integer number (7776000).
Almost surely, 2152970945 is an apocalyptic number.
152970945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
152970945 is a deficient number, since it is larger than the sum of its proper divisors (95861055).
152970945 is a wasteful number, since it uses less digits than its factorization.
152970945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 805.
The product of its (nonzero) digits is 113400, while the sum is 42.
The square root of 152970945 is about 12368.1423423245. The cubic root of 152970945 is about 534.8142657448.
The spelling of 152970945 in words is "one hundred fifty-two million, nine hundred seventy thousand, nine hundred forty-five".
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