Base | Representation |
---|---|
bin | 10010001001000… |
… | …10110001010111 |
3 | 101121100211212102 |
4 | 21010202301113 |
5 | 302424422233 |
6 | 23033512315 |
7 | 3525362540 |
oct | 1104426127 |
9 | 347324772 |
10 | 152185943 |
11 | 789a5608 |
12 | 42b7269b |
13 | 256b5b70 |
14 | 162d74c7 |
15 | d5621e8 |
hex | 9122c57 |
152185943 has 16 divisors (see below), whose sum is σ = 188032320. Its totient is φ = 119943936.
The previous prime is 152185907. The next prime is 152185951. The reversal of 152185943 is 349581251.
It is a happy number.
It is not a de Polignac number, because 152185943 - 212 = 152181847 is a prime.
It is a super-2 number, since 2×1521859432 = 46321122493598498, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 152185897 and 152185906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152185543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21371 + ... + 27587.
It is an arithmetic number, because the mean of its divisors is an integer number (11752020).
Almost surely, 2152185943 is an apocalyptic number.
152185943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
152185943 is a deficient number, since it is larger than the sum of its proper divisors (35846377).
152185943 is a wasteful number, since it uses less digits than its factorization.
152185943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6506.
The product of its digits is 43200, while the sum is 38.
The square root of 152185943 is about 12336.3666855359. The cubic root of 152185943 is about 533.8978597540.
The spelling of 152185943 in words is "one hundred fifty-two million, one hundred eighty-five thousand, nine hundred forty-three".
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