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53903469 = 339745259
BaseRepresentation
bin1100110110100…
…0000001101101
310202102120122210
43031220001231
5102244402334
65203201033
71223112654
oct315500155
9122376583
1053903469
1128477524
1216076179
13b224059
14723219b
154aeb5e9
hex336806d

53903469 has 8 divisors (see below), whose sum is σ = 72053920. Its totient is φ = 35844336.

The previous prime is 53903461. The next prime is 53903471. The reversal of 53903469 is 96430935.

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

It is not a de Polignac number, because 53903469 - 23 = 53903461 is a prime.

It is a super-2 number, since 2×539034692 = 5811167940467922, 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 (53903461) 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, 21439 + ... + 23820.

It is an arithmetic number, because the mean of its divisors is an integer number (9006740).

Almost surely, 253903469 is an apocalyptic number.

It is an amenable number.

53903469 is a deficient number, since it is larger than the sum of its proper divisors (18150451).

53903469 is a wasteful number, since it uses less digits than its factorization.

53903469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45659.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 53903469 is about 7341.8981877986. The cubic root of 53903469 is about 377.7509557434.

The spelling of 53903469 in words is "fifty-three million, nine hundred three thousand, four hundred sixty-nine".

Divisors: 1 3 397 1191 45259 135777 17967823 53903469