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53904719 = 118955061
BaseRepresentation
bin1100110110100…
…0010101001111
310202102122101002
43031220111033
5102244422334
65203210515
71223116421
oct315502517
9122378332
1053904719
1128478460
1216076a3b
13b2247ab
147232811
154aebb7e
hex336854f

53904719 has 8 divisors (see below), whose sum is σ = 59466960. Its totient is φ = 48452800.

The previous prime is 53904703. The next prime is 53904727. The reversal of 53904719 is 91740935.

It is a happy number.

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

It is not a de Polignac number, because 53904719 - 24 = 53904703 is a prime.

It is a super-2 number, since 2×539047192 = 5811437460937922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53904779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26552 + ... + 28509.

It is an arithmetic number, because the mean of its divisors is an integer number (7433370).

Almost surely, 253904719 is an apocalyptic number.

53904719 is a deficient number, since it is larger than the sum of its proper divisors (5562241).

53904719 is a wasteful number, since it uses less digits than its factorization.

53904719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55161.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 53904719 is about 7341.9833151540. The cubic root of 53904719 is about 377.7538756856.

The spelling of 53904719 in words is "fifty-three million, nine hundred four thousand, seven hundred nineteen".

Divisors: 1 11 89 979 55061 605671 4900429 53904719