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11687052 = 22313193943
BaseRepresentation
bin101100100101…
…010010001100
3210222202121210
4230211102030
510442441202
61054254420
7201224016
oct54452214
923882553
1011687052
116662723
123ab7410
132562720
1417a31b6
15105cc6c
hexb2548c

11687052 has 48 divisors (see below), whose sum is σ = 30920960. Its totient is φ = 3405888.

The previous prime is 11686999. The next prime is 11687057. The reversal of 11687052 is 25078611.

It is not an unprimeable number, because it can be changed into a prime (11687057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993 + ... + 4935.

Almost surely, 211687052 is an apocalyptic number.

11687052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11687052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15460480).

11687052 is an abundant number, since it is smaller than the sum of its proper divisors (19233908).

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

11687052 is a wasteful number, since it uses less digits than its factorization.

11687052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982 (or 3980 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 11687052 is about 3418.6330601572. The cubic root of 11687052 is about 226.9350924154.

The spelling of 11687052 in words is "eleven million, six hundred eighty-seven thousand, fifty-two".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 3943 7886 11829 15772 23658 47316 51259 74917 102518 149834 153777 205036 224751 299668 307554 449502 615108 899004 973921 1947842 2921763 3895684 5843526 11687052