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1137290 = 257211211
BaseRepresentation
bin100010101101010001010
32010210001212
410111222022
5242343130
640213122
712444500
oct4255212
92123055
101137290
11707510
1246a1a2
1330a86b
14218670
15176e95
hex115a8a

1137290 has 48 divisors (see below), whose sum is σ = 2610144. Its totient is φ = 352800.

The previous prime is 1137289. The next prime is 1137313. The reversal of 1137290 is 927311.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5285 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (54378).

21137290 is an apocalyptic number.

1137290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1137290 is an abundant number, since it is smaller than the sum of its proper divisors (1472854).

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

1137290 is a wasteful number, since it uses less digits than its factorization.

1137290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1137290 is about 1066.4379963223. The cubic root of 1137290 is about 104.3815496625.

The spelling of 1137290 in words is "one million, one hundred thirty-seven thousand, two hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 154 211 245 385 422 490 539 770 1055 1078 1477 2110 2321 2695 2954 4642 5390 7385 10339 11605 14770 16247 20678 23210 32494 51695 81235 103390 113729 162470 227458 568645 1137290