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11880426 = 235633517
BaseRepresentation
bin101101010100…
…011111101010
3211100120212210
4231110133222
511020133201
61102345550
7202660545
oct55243752
924316783
1011880426
116784a38
123b8b2b6
1325cc74c
14181385c
15109a1d6
hexb547ea

11880426 has 16 divisors (see below), whose sum is σ = 23809824. Its totient is φ = 3951984.

The previous prime is 11880419. The next prime is 11880457. The reversal of 11880426 is 62408811.

It is a super-2 number, since 2×118804262 = 282289043882952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11880393 and 11880402.

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, 1620 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (1488114).

Almost surely, 211880426 is an apocalyptic number.

11880426 is an abundant number, since it is smaller than the sum of its proper divisors (11929398).

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

11880426 is a wasteful number, since it uses less digits than its factorization.

11880426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 11880426 is about 3446.7993849367. The cubic root of 11880426 is about 228.1798749830.

The spelling of 11880426 in words is "eleven million, eight hundred eighty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 563 1126 1689 3378 3517 7034 10551 21102 1980071 3960142 5940213 11880426