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53875872 = 2532187069
BaseRepresentation
bin1100110110000…
…1010010100000
310202101011210200
43031201102200
5102243011442
65202425200
71222636341
oct315412240
9122334720
1053875872
1128458816
1216062200
13b21461b
1472260c8
154ae334c
hex33614a0

53875872 has 36 divisors (see below), whose sum is σ = 153210330. Its totient is φ = 17958528.

The previous prime is 53875859. The next prime is 53875879. The reversal of 53875872 is 27857835.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 5934096 = 6924^2 + 2436^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (53875879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93247 + ... + 93822.

Almost surely, 253875872 is an apocalyptic number.

It is an amenable number.

53875872 is an abundant number, since it is smaller than the sum of its proper divisors (99334458).

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

53875872 is a wasteful number, since it uses less digits than its factorization.

53875872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187085 (or 187074 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 53875872 is about 7340.0185285870. The cubic root of 53875872 is about 377.6864789241.

The spelling of 53875872 in words is "fifty-three million, eight hundred seventy-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 187069 374138 561207 748276 1122414 1496552 1683621 2244828 2993104 3367242 4489656 5986208 6734484 8979312 13468968 17958624 26937936 53875872