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53868456 = 23331132207
BaseRepresentation
bin1100110101111…
…1011110101000
310202100210122000
43031133132220
5102242242311
65202331000
71222605615
oct315373650
9122323560
1053868456
1128453194
1216059a60
13b211135
14722350c
154ae1056
hex335f7a8

53868456 has 64 divisors (see below), whose sum is σ = 151027200. Its totient is φ = 17789184.

The previous prime is 53868443. The next prime is 53868473. The reversal of 53868456 is 65486835.

53868456 is a `hidden beast` number, since 538 + 68 + 4 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23305 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (2359800).

Almost surely, 253868456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53868456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75513600).

53868456 is an abundant number, since it is smaller than the sum of its proper divisors (97158744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53868456 is a wasteful number, since it uses less digits than its factorization.

53868456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335 (or 2325 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 53868456 is about 7339.5133353650. The cubic root of 53868456 is about 377.6691486465.

The spelling of 53868456 in words is "fifty-three million, eight hundred sixty-eight thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 113 216 226 339 452 678 904 1017 1356 2034 2207 2712 3051 4068 4414 6102 6621 8136 8828 12204 13242 17656 19863 24408 26484 39726 52968 59589 79452 119178 158904 238356 249391 476712 498782 748173 997564 1496346 1995128 2244519 2992692 4489038 5985384 6733557 8978076 13467114 17956152 26934228 53868456