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11137480 = 235278437
BaseRepresentation
bin101010011111…
…000111001000
3202221211202021
4222133013020
510322344410
61034414224
7163444534
oct52370710
922854667
1011137480
116317832
123891374
1323cc533
14169cbc4
15e9eeda
hexa9f1c8

11137480 has 16 divisors (see below), whose sum is σ = 25059420. Its totient is φ = 4454976.

The previous prime is 11137453. The next prime is 11137501. The reversal of 11137480 is 8473111.

11137480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9400356 + 1737124 = 3066^2 + 1318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139179 + ... + 139258.

Almost surely, 211137480 is an apocalyptic number.

11137480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11137480 is an abundant number, since it is smaller than the sum of its proper divisors (13921940).

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

11137480 is a wasteful number, since it uses less digits than its factorization.

11137480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278448 (or 278444 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11137480 is about 3337.2863227479. The cubic root of 11137480 is about 223.3206992680.

It can be divided in two parts, 1113 and 7480, that multiplied together give a triangular number (8325240 = T4080).

The spelling of 11137480 in words is "eleven million, one hundred thirty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 278437 556874 1113748 1392185 2227496 2784370 5568740 11137480