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76425 = 3521019
BaseRepresentation
bin10010101010001001
310212211120
4102222021
54421200
61345453
7435546
oct225211
9125746
1076425
1152468
1238289
1328a2b
141dbcd
15179a0
hex12a89

76425 has 12 divisors (see below), whose sum is σ = 126480. Its totient is φ = 40720.

The previous prime is 76423. The next prime is 76441. The reversal of 76425 is 52467.

It is a happy number.

It is not a de Polignac number, because 76425 - 21 = 76423 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76395 and 76404.

It is not an unprimeable number, because it can be changed into a prime (76421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435 + ... + 584.

It is an arithmetic number, because the mean of its divisors is an integer number (10540).

276425 is an apocalyptic number.

76425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

76425 is a deficient number, since it is larger than the sum of its proper divisors (50055).

76425 is a wasteful number, since it uses less digits than its factorization.

76425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1027 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 76425 is about 276.4507189356. The cubic root of 76425 is about 42.4370463569.

The spelling of 76425 in words is "seventy-six thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 1019 3057 5095 15285 25475 76425