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10438090 = 2513233491
BaseRepresentation
bin100111110100…
…010111001010
3201122022100221
4213310113022
510133004330
61011420254
7154502515
oct47642712
921568327
1010438090
11598a323
1235b468a
1322160b0
141559d7c
15db2b7a
hex9f45ca

10438090 has 32 divisors (see below), whose sum is σ = 21119616. Its totient is φ = 3685440.

The previous prime is 10438081. The next prime is 10438091. The reversal of 10438090 is 9083401.

It is not an unprimeable number, because it can be changed into a prime (10438091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (659988).

Almost surely, 210438090 is an apocalyptic number.

10438090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10438090 is an abundant number, since it is smaller than the sum of its proper divisors (10681526).

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

10438090 is a wasteful number, since it uses less digits than its factorization.

10438090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10438090 is about 3230.8033056811. The cubic root of 10438090 is about 218.5447337050.

The spelling of 10438090 in words is "ten million, four hundred thirty-eight thousand, ninety".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 3491 6982 17455 34910 45383 80293 90766 160586 226915 401465 453830 802930 1043809 2087618 5219045 10438090