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1137690 = 232512641
BaseRepresentation
bin100010101110000011010
32010210121200
410111300122
5242401230
640215030
712445611
oct4256032
92123550
101137690
11707844
1246a476
1330aab8
14218878
15177160
hex115c1a

1137690 has 24 divisors (see below), whose sum is σ = 2958228. Its totient is φ = 303360.

The previous prime is 1137677. The next prime is 1137707. The reversal of 1137690 is 967311.

It can be written as a sum of positive squares in 2 ways, for example, as 915849 + 221841 = 957^2 + 471^2 .

It is a super-2 number, since 2×11376902 = 2588677072200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6231 + ... + 6410.

21137690 is an apocalyptic number.

1137690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1137690 is an abundant number, since it is smaller than the sum of its proper divisors (1820538).

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

1137690 is a wasteful number, since it uses less digits than its factorization.

1137690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654 (or 12651 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1137690 is about 1066.6255200397. The cubic root of 1137690 is about 104.3937856873.

The spelling of 1137690 in words is "one million, one hundred thirty-seven thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 12641 25282 37923 63205 75846 113769 126410 189615 227538 379230 568845 1137690