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53874399 = 343417631
BaseRepresentation
bin1100110110000…
…0111011011111
310202101002210010
43031200323133
5102242440044
65202414303
71222632135
oct315407337
9122332703
1053874399
11284576a7
1216061393
13b213a57
147225755
154ae2bb9
hex3360edf

53874399 has 8 divisors (see below), whose sum is σ = 73503232. Its totient is φ = 35080920.

The previous prime is 53874383. The next prime is 53874409. The reversal of 53874399 is 99347835.

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

It is not a de Polignac number, because 53874399 - 24 = 53874383 is a prime.

It is a super-2 number, since 2×538743992 = 5804901735222402, 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 (53874319) 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, 208687 + ... + 208944.

It is an arithmetic number, because the mean of its divisors is an integer number (9187904).

Almost surely, 253874399 is an apocalyptic number.

53874399 is a deficient number, since it is larger than the sum of its proper divisors (19628833).

53874399 is a wasteful number, since it uses less digits than its factorization.

53874399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417677.

The product of its digits is 816480, while the sum is 48.

The square root of 53874399 is about 7339.9181875550. The cubic root of 53874399 is about 377.6830368313.

The spelling of 53874399 in words is "fifty-three million, eight hundred seventy-four thousand, three hundred ninety-nine".

Divisors: 1 3 43 129 417631 1252893 17958133 53874399