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40931130 = 2351971809
BaseRepresentation
bin1001110000100…
…0111100111010
32212000111221210
42130020330322
540434244010
64021143550
71004623512
oct234107472
985014853
1040931130
1121117189
121185abb6
138631606
145616842
1538d7b20
hex2708f3a

40931130 has 32 divisors (see below), whose sum is σ = 103406400. Its totient is φ = 10340352.

The previous prime is 40931119. The next prime is 40931131. The reversal of 40931130 is 3113904.

40931130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40931097 and 40931106.

It is not an unprimeable number, because it can be changed into a prime (40931131) 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, 35335 + ... + 36474.

It is an arithmetic number, because the mean of its divisors is an integer number (3231450).

Almost surely, 240931130 is an apocalyptic number.

40931130 is an abundant number, since it is smaller than the sum of its proper divisors (62475270).

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

40931130 is a wasteful number, since it uses less digits than its factorization.

40931130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71838.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 40931130 is about 6397.7441336771. The cubic root of 40931130 is about 344.6285437014.

The spelling of 40931130 in words is "forty million, nine hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 71809 143618 215427 359045 430854 718090 1077135 1364371 2154270 2728742 4093113 6821855 8186226 13643710 20465565 40931130