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11247290 = 256716787
BaseRepresentation
bin101010111001…
…111010111010
3210011102101022
4222321322322
510334403130
61041022442
7164412635
oct52717272
923142338
1011247290
11639228a
123924a22
13243a502
1416cac1c
15ec27e5
hexab9eba

11247290 has 16 divisors (see below), whose sum is σ = 20548512. Its totient is φ = 4431504.

The previous prime is 11247287. The next prime is 11247307. The reversal of 11247290 is 9274211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7724 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (1284282).

Almost surely, 211247290 is an apocalyptic number.

11247290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11247290 is a deficient number, since it is larger than the sum of its proper divisors (9301222).

11247290 is a wasteful number, since it uses less digits than its factorization.

11247290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16861.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11247290 is about 3353.6979589701. The cubic root of 11247290 is about 224.0522438728.

The spelling of 11247290 in words is "eleven million, two hundred forty-seven thousand, two hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 16787 33574 83935 167870 1124729 2249458 5623645 11247290