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11375987 = 721791297
BaseRepresentation
bin101011011001…
…010101110011
3210101221220212
4223121111303
510403012422
61043454335
7165460100
oct53312563
923357825
1011375987
11646aa47
1239873ab
132483c6c
141721aa7
15eea9e2
hexad9573

11375987 has 12 divisors (see below), whose sum is σ = 13317480. Its totient is φ = 9688896.

The previous prime is 11375981. The next prime is 11375989. The reversal of 11375987 is 78957311.

It is not a de Polignac number, because 11375987 - 24 = 11375971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11375981) 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, 8123 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (1109790).

Almost surely, 211375987 is an apocalyptic number.

11375987 is a deficient number, since it is larger than the sum of its proper divisors (1941493).

11375987 is a wasteful number, since it uses less digits than its factorization.

11375987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1483 counting only the distinct ones).

The product of its digits is 52920, while the sum is 41.

The square root of 11375987 is about 3372.8307102492. The cubic root of 11375987 is about 224.9035767910.

The spelling of 11375987 in words is "eleven million, three hundred seventy-five thousand, nine hundred eighty-seven".

Divisors: 1 7 49 179 1253 1297 8771 9079 63553 232163 1625141 11375987