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52474213 = 116178203
BaseRepresentation
bin1100100000101…
…1000101100101
310122201222002101
43020023011211
5101413133323
65112412101
71205011021
oct310130545
9118658071
1052474213
1127690720
12156a7031
13ab4363c
146d7d381
154917dad
hex320b165

52474213 has 8 divisors (see below), whose sum is σ = 58183776. Its totient is φ = 46921200.

The previous prime is 52474211. The next prime is 52474229. The reversal of 52474213 is 31247425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52474213 - 21 = 52474211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52474211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38431 + ... + 39772.

It is an arithmetic number, because the mean of its divisors is an integer number (7272972).

Almost surely, 252474213 is an apocalyptic number.

It is an amenable number.

52474213 is a deficient number, since it is larger than the sum of its proper divisors (5709563).

52474213 is a wasteful number, since it uses less digits than its factorization.

52474213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78275.

The product of its digits is 6720, while the sum is 28.

The square root of 52474213 is about 7243.9086824725. The cubic root of 52474213 is about 374.3823027961.

The spelling of 52474213 in words is "fifty-two million, four hundred seventy-four thousand, two hundred thirteen".

Divisors: 1 11 61 671 78203 860233 4770383 52474213