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74852213 = 103372461
BaseRepresentation
bin1000111011000…
…10011101110101
312012211212221012
410131202131311
5123130232323
611232202005
71566143012
oct435423565
9165755835
1074852213
1139285637
1221099305
131267a267
149d26709
156888678
hex4762775

74852213 has 4 divisors (see below), whose sum is σ = 74925708. Its totient is φ = 74778720.

The previous prime is 74852203. The next prime is 74852227. The reversal of 74852213 is 31225847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73582084 + 1270129 = 8578^2 + 1127^2 .

It is a cyclic number.

It is not a de Polignac number, because 74852213 - 218 = 74590069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74852213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74852203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35198 + ... + 37263.

It is an arithmetic number, because the mean of its divisors is an integer number (18731427).

Almost surely, 274852213 is an apocalyptic number.

It is an amenable number.

74852213 is a deficient number, since it is larger than the sum of its proper divisors (73495).

74852213 is a wasteful number, since it uses less digits than its factorization.

74852213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73494.

The product of its digits is 13440, while the sum is 32.

The square root of 74852213 is about 8651.7173439728. The cubic root of 74852213 is about 421.4391541042.

The spelling of 74852213 in words is "seventy-four million, eight hundred fifty-two thousand, two hundred thirteen".

Divisors: 1 1033 72461 74852213