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11731868 = 225355339
BaseRepresentation
bin101100110000…
…001110011100
3211002001002122
4230300032130
511000404433
61055242112
7201501461
oct54601634
924061078
1011731868
116693365
123b19338
132579c45
1417b5668
15106b198
hexb3039c

11731868 has 12 divisors (see below), whose sum is σ = 20918520. Its totient is φ = 5755152.

The previous prime is 11731847. The next prime is 11731883. The reversal of 11731868 is 86813711.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27458 + ... + 27881.

It is an arithmetic number, because the mean of its divisors is an integer number (1743210).

Almost surely, 211731868 is an apocalyptic number.

It is an amenable number.

11731868 is a deficient number, since it is larger than the sum of its proper divisors (9186652).

11731868 is a wasteful number, since it uses less digits than its factorization.

11731868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55396 (or 55394 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 11731868 is about 3425.1814550473. The cubic root of 11731868 is about 227.2247962340.

The spelling of 11731868 in words is "eleven million, seven hundred thirty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 53 106 212 55339 110678 221356 2932967 5865934 11731868