Base | Representation |
---|---|
bin | 1001111100100… |
… | …01100011111101 |
3 | 12210222212112222 |
4 | 10332101203331 |
5 | 132324334400 |
6 | 12140135125 |
7 | 2032114004 |
oct | 476214375 |
9 | 183885488 |
10 | 83433725 |
11 | 43106aa1 |
12 | 23b374a5 |
13 | 1439328b |
14 | b11bc3b |
15 | 74d1185 |
hex | 4f918fd |
83433725 has 24 divisors (see below), whose sum is σ = 107853960. Its totient is φ = 63947520.
The previous prime is 83433709. The next prime is 83433737. The reversal of 83433725 is 52733438.
It can be written as a sum of positive squares in 12 ways, for example, as 7778521 + 75655204 = 2789^2 + 8698^2 .
It is not a de Polignac number, because 83433725 - 24 = 83433709 is a prime.
It is a super-2 number, since 2×834337252 = 13922372934751250, 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 23 ways as a sum of consecutive naturals, for example, 113459 + ... + 114191.
It is an arithmetic number, because the mean of its divisors is an integer number (4493915).
Almost surely, 283433725 is an apocalyptic number.
It is an amenable number.
83433725 is a deficient number, since it is larger than the sum of its proper divisors (24420235).
83433725 is a wasteful number, since it uses less digits than its factorization.
83433725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 929 (or 924 counting only the distinct ones).
The product of its digits is 60480, while the sum is 35.
The square root of 83433725 is about 9134.2063147271. The cubic root of 83433725 is about 436.9655623779.
The spelling of 83433725 in words is "eighty-three million, four hundred thirty-three thousand, seven hundred twenty-five".
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