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53461872 = 24321721839
BaseRepresentation
bin1100101111110…
…0001101110000
310201121010220100
43023330031300
5102141234442
65145512400
71216263342
oct313741560
9121533810
1053461872
11281a5772
1215aa2700
13b0cb059
147159292
154a6084c
hex32fc370

53461872 has 60 divisors (see below), whose sum is σ = 158427360. Its totient is φ = 16771584.

The previous prime is 53461871. The next prime is 53461873. The reversal of 53461872 is 27816435.

53461872 is a `hidden beast` number, since 5 + 34 + 618 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (53461871) and next prime (53461873).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53461871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8472 + ... + 13367.

It is an arithmetic number, because the mean of its divisors is an integer number (2640456).

Almost surely, 253461872 is an apocalyptic number.

It is an amenable number.

53461872 is an abundant number, since it is smaller than the sum of its proper divisors (104965488).

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

53461872 is a wasteful number, since it uses less digits than its factorization.

53461872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870 (or 21861 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 53461872 is about 7311.7625782023. The cubic root of 53461872 is about 376.7165677312.

The spelling of 53461872 in words is "fifty-three million, four hundred sixty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 2448 21839 43678 65517 87356 131034 174712 196551 262068 349424 371263 393102 524136 742526 786204 1048272 1113789 1485052 1572408 2227578 2970104 3144816 3341367 4455156 5940208 6682734 8910312 13365468 17820624 26730936 53461872