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10890842 = 25445421
BaseRepresentation
bin101001100010…
…111001011010
3202111022102112
4221202321122
510242001332
61025232322
7161366504
oct51427132
922438375
1010890842
1161694a6
1237926a2
1323441b1
141636d74
15e51db2
hexa62e5a

10890842 has 4 divisors (see below), whose sum is σ = 16336266. Its totient is φ = 5445420.

The previous prime is 10890823. The next prime is 10890853. The reversal of 10890842 is 24809801.

It is a happy number.

10890842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9616201 + 1274641 = 3101^2 + 1129^2 .

It is a super-2 number, since 2×108908422 = 237220878937928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10890799 and 10890808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722709 + ... + 2722712.

Almost surely, 210890842 is an apocalyptic number.

10890842 is a deficient number, since it is larger than the sum of its proper divisors (5445424).

10890842 is an equidigital number, since it uses as much as digits as its factorization.

10890842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445423.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 10890842 is about 3300.1275732917. The cubic root of 10890842 is about 221.6599099705.

The spelling of 10890842 in words is "ten million, eight hundred ninety thousand, eight hundred forty-two".

Divisors: 1 2 5445421 10890842