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53150887 = 123143177
BaseRepresentation
bin1100101011000…
…0010010100111
310201000100022101
43022300102213
5102101312022
65135112531
71213526566
oct312602247
9121010271
1053150887
1128003059
1215972747
13b01c63a
1470b7bdd
1549ed627
hex32b04a7

53150887 has 4 divisors (see below), whose sum is σ = 53195296. Its totient is φ = 53106480.

The previous prime is 53150873. The next prime is 53150893. The reversal of 53150887 is 78805135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53150887 - 215 = 53118119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53150807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20358 + ... + 22819.

It is an arithmetic number, because the mean of its divisors is an integer number (13298824).

Almost surely, 253150887 is an apocalyptic number.

53150887 is a deficient number, since it is larger than the sum of its proper divisors (44409).

53150887 is a wasteful number, since it uses less digits than its factorization.

53150887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44408.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 53150887 is about 7290.4654858246. The cubic root of 53150887 is about 375.9846997509.

The spelling of 53150887 in words is "fifty-three million, one hundred fifty thousand, eight hundred eighty-seven".

Divisors: 1 1231 43177 53150887