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53872258 = 211193592
BaseRepresentation
bin1100110110000…
…0011010000010
310202100222211211
43031200122002
5102242403013
65202400334
71222622656
oct315403202
9122328754
1053872258
1128456030
12160600aa
13b212a9b
147224a66
154ae223d
hex3360682

53872258 has 24 divisors (see below), whose sum is σ = 93053520. Its totient is φ = 23133960.

The previous prime is 53872241. The next prime is 53872261. The reversal of 53872258 is 85227835.

It is a self number, because there is not a number n which added to its sum of digits gives 53872258.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149883 + ... + 150241.

It is an arithmetic number, because the mean of its divisors is an integer number (3877230).

Almost surely, 253872258 is an apocalyptic number.

53872258 is a deficient number, since it is larger than the sum of its proper divisors (39181262).

53872258 is a wasteful number, since it uses less digits than its factorization.

53872258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 391 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 53872258 is about 7339.7723397937. The cubic root of 53872258 is about 377.6780336504.

The spelling of 53872258 in words is "fifty-three million, eight hundred seventy-two thousand, two hundred fifty-eight".

Divisors: 1 2 11 19 22 38 209 359 418 718 3949 6821 7898 13642 75031 128881 150062 257762 1417691 2448739 2835382 4897478 26936129 53872258