Base | Representation |
---|---|
bin | 1000000011111… |
… | …01000100000101 |
3 | 11201020111202010 |
4 | 10001331010011 |
5 | 114302334000 |
6 | 10413204433 |
7 | 1450525065 |
oct | 401750405 |
9 | 151214663 |
10 | 67621125 |
11 | 35196830 |
12 | 1a790719 |
13 | 11017b00 |
14 | 8da33a5 |
15 | 5e0ad50 |
hex | 407d105 |
67621125 has 96 divisors (see below), whose sum is σ = 134289792. Its totient is φ = 29952000.
The previous prime is 67621097. The next prime is 67621207. The reversal of 67621125 is 52112676.
It is not a de Polignac number, because 67621125 - 26 = 67621061 is a prime.
It is a super-3 number, since 3×676211253 (a number of 24 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 67621092 and 67621101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 697077 + ... + 697173.
It is an arithmetic number, because the mean of its divisors is an integer number (1398852).
Almost surely, 267621125 is an apocalyptic number.
67621125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
67621125 is a deficient number, since it is larger than the sum of its proper divisors (66668667).
67621125 is a wasteful number, since it uses less digits than its factorization.
67621125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152 (or 129 counting only the distinct ones).
The product of its digits is 5040, while the sum is 30.
The square root of 67621125 is about 8223.2064913877. The cubic root of 67621125 is about 407.4060405397.
It can be divided in two parts, 6762 and 1125, that added together give a palindrome (7887).
The spelling of 67621125 in words is "sixty-seven million, six hundred twenty-one thousand, one hundred twenty-five".
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