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1140664 = 23720369
BaseRepresentation
bin100010110011110111000
32010221200211
410112132320
5243000124
640240504
712460360
oct4263670
92127624
101140664
11709aa8
12470134
1330c265
142199a0
15177e94
hex1167b8

1140664 has 16 divisors (see below), whose sum is σ = 2444400. Its totient is φ = 488832.

The previous prime is 1140637. The next prime is 1140677. The reversal of 1140664 is 4660411.

It is a super-2 number, since 2×11406642 = 2602228721792, which contains 22 as substring.

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, 10129 + ... + 10240.

It is an arithmetic number, because the mean of its divisors is an integer number (152775).

21140664 is an apocalyptic number.

1140664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1140664 is an abundant number, since it is smaller than the sum of its proper divisors (1303736).

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

1140664 is a wasteful number, since it uses less digits than its factorization.

1140664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1140664 is about 1068.0187264276. The cubic root of 1140664 is about 104.4846707214.

The spelling of 1140664 in words is "one million, one hundred forty thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 20369 40738 81476 142583 162952 285166 570332 1140664