Base | Representation |
---|---|
bin | 1001111010011… |
… | …01010011010111 |
3 | 12210110200000210 |
4 | 10331031103113 |
5 | 132241413020 |
6 | 12130140503 |
7 | 2026540611 |
oct | 475152327 |
9 | 183420023 |
10 | 83154135 |
11 | 42a35a29 |
12 | 23a21733 |
13 | 142c5c3c |
14 | b087db1 |
15 | 74783e0 |
hex | 4f4d4d7 |
83154135 has 16 divisors (see below), whose sum is σ = 134922240. Its totient is φ = 43723680.
The previous prime is 83154103. The next prime is 83154161. The reversal of 83154135 is 53145138.
It is not a de Polignac number, because 83154135 - 25 = 83154103 is a prime.
It is a super-2 number, since 2×831541352 = 13829220335196450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37975 + ... + 40104.
It is an arithmetic number, because the mean of its divisors is an integer number (8432640).
Almost surely, 283154135 is an apocalyptic number.
83154135 is a deficient number, since it is larger than the sum of its proper divisors (51768105).
83154135 is a wasteful number, since it uses less digits than its factorization.
83154135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78158.
The product of its digits is 7200, while the sum is 30.
The square root of 83154135 is about 9118.8889125814. Note that the first 3 decimals coincide. The cubic root of 83154135 is about 436.4769193534.
The spelling of 83154135 in words is "eighty-three million, one hundred fifty-four thousand, one hundred thirty-five".
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