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11512042 = 261127743
BaseRepresentation
bin101011111010…
…100011101010
3210122212112221
4223322203222
510421341132
61050424254
7166564543
oct53724352
923585487
1011512042
116553193
123a3208a
132500b79
1417594ca
151025e97
hexafa8ea

11512042 has 16 divisors (see below), whose sum is σ = 17713152. Its totient is φ = 5609520.

The previous prime is 11512037. The next prime is 11512051. The reversal of 11512042 is 24021511.

It is a super-2 number, since 2×115120422 = 265054222019528, which contains 22 as substring.

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, 15123 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (1107072).

Almost surely, 211512042 is an apocalyptic number.

11512042 is a deficient number, since it is larger than the sum of its proper divisors (6201110).

11512042 is a wasteful number, since it uses less digits than its factorization.

11512042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11512042 is about 3392.9400230479. The cubic root of 11512042 is about 225.7966296412.

Adding to 11512042 its reverse (24021511), we get a palindrome (35533553).

The spelling of 11512042 in words is "eleven million, five hundred twelve thousand, forty-two".

Divisors: 1 2 61 122 127 254 743 1486 7747 15494 45323 90646 94361 188722 5756021 11512042