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11141538 = 234739509
BaseRepresentation
bin101010100000…
…000110100010
3202222001022120
4222200012202
510323012123
61034445110
7163462422
oct52400642
922861276
1011141538
11631a891
123893796
132401335
1416a0482
15ea12e3
hexaa01a2

11141538 has 16 divisors (see below), whose sum is σ = 22757760. Its totient is φ = 3634736.

The previous prime is 11141527. The next prime is 11141549. The reversal of 11141538 is 83514111.

It is an interprime number because it is at equal distance from previous prime (11141527) and next prime (11141549).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19473 + ... + 20036.

It is an arithmetic number, because the mean of its divisors is an integer number (1422360).

Almost surely, 211141538 is an apocalyptic number.

11141538 is an abundant number, since it is smaller than the sum of its proper divisors (11616222).

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

11141538 is a wasteful number, since it uses less digits than its factorization.

11141538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39561.

The product of its digits is 480, while the sum is 24.

The square root of 11141538 is about 3337.8942463775. The cubic root of 11141538 is about 223.3478186689.

Adding to 11141538 its reverse (83514111), we get a palindrome (94655649).

The spelling of 11141538 in words is "eleven million, one hundred forty-one thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 47 94 141 282 39509 79018 118527 237054 1856923 3713846 5570769 11141538