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5142687 = 3111789103
BaseRepresentation
bin10011100111100010011111
3100200021102220
4103213202133
52304031222
6302120423
761466154
oct23474237
910607386
105142687
1129a2860
121880113
1310b0a14
1497c22b
156b8b5c
hex4e789f

5142687 has 32 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 2872320.

The previous prime is 5142679. The next prime is 5142689. The reversal of 5142687 is 7862415.

It is not a de Polignac number, because 5142687 - 23 = 5142679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49878 + ... + 49980.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

Almost surely, 25142687 is an apocalyptic number.

5142687 is a deficient number, since it is larger than the sum of its proper divisors (2944353).

5142687 is a wasteful number, since it uses less digits than its factorization.

5142687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 13440, while the sum is 33.

The square root of 5142687 is about 2267.7493247711. The cubic root of 5142687 is about 172.6089712641.

The spelling of 5142687 in words is "five million, one hundred forty-two thousand, six hundred eighty-seven".

Divisors: 1 3 11 17 33 51 89 103 187 267 309 561 979 1133 1513 1751 2937 3399 4539 5253 9167 16643 19261 27501 49929 57783 100837 155839 302511 467517 1714229 5142687