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10400444 = 222989659
BaseRepresentation
bin100111101011…
…001010111100
3201120101201122
4213223022330
510130303234
61010530112
7154254665
oct47531274
921511648
1010400444
11596400a
123596938
132201c12
14154a36c
15da692e
hex9eb2bc

10400444 has 12 divisors (see below), whose sum is σ = 18828600. Its totient is φ = 5020848.

The previous prime is 10400443. The next prime is 10400449. The reversal of 10400444 is 44400401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44714 + ... + 44945.

It is an arithmetic number, because the mean of its divisors is an integer number (1569050).

Almost surely, 210400444 is an apocalyptic number.

It is an amenable number.

10400444 is a deficient number, since it is larger than the sum of its proper divisors (8428156).

10400444 is a wasteful number, since it uses less digits than its factorization.

10400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89692 (or 89690 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 10400444 is about 3224.9719378624. The cubic root of 10400444 is about 218.2816828401.

Adding to 10400444 its reverse (44400401), we get a palindrome (54800845).

The spelling of 10400444 in words is "ten million, four hundred thousand, four hundred forty-four".

Divisors: 1 2 4 29 58 116 89659 179318 358636 2600111 5200222 10400444