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53938413 = 331997719
BaseRepresentation
bin1100110111000…
…0100011101101
310202111100121000
43031300203231
5102302012123
65204030513
71223316564
oct315604355
9122440530
1053938413
11284a0801
1216092439
13b236c29
147240bdb
154b06b43
hex33708ed

53938413 has 8 divisors (see below), whose sum is σ = 79908800. Its totient is φ = 35958924.

The previous prime is 53938387. The next prime is 53938421. The reversal of 53938413 is 31483935.

It is not a de Polignac number, because 53938413 - 26 = 53938349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53938513) 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, 998833 + ... + 998886.

It is an arithmetic number, because the mean of its divisors is an integer number (9988600).

Almost surely, 253938413 is an apocalyptic number.

It is an amenable number.

53938413 is a deficient number, since it is larger than the sum of its proper divisors (25970387).

53938413 is a wasteful number, since it uses less digits than its factorization.

53938413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997728 (or 1997722 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 53938413 is about 7344.2775682840. The cubic root of 53938413 is about 377.8325663104.

The spelling of 53938413 in words is "fifty-three million, nine hundred thirty-eight thousand, four hundred thirteen".

Divisors: 1 3 9 27 1997719 5993157 17979471 53938413