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40964430 = 23513105037
BaseRepresentation
bin1001110001000…
…1000101001110
32212002012122010
42130101011032
540441330210
64022002050
71005122553
oct234210516
985065563
1040964430
112113a201
1211876326
138643810
145624a2a
1538e2920
hex271114e

40964430 has 32 divisors (see below), whose sum is σ = 105878304. Its totient is φ = 10083456.

The previous prime is 40964419. The next prime is 40964447. The reversal of 40964430 is 3446904.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52129 + ... + 52908.

It is an arithmetic number, because the mean of its divisors is an integer number (3308697).

Almost surely, 240964430 is an apocalyptic number.

40964430 is an abundant number, since it is smaller than the sum of its proper divisors (64913874).

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

40964430 is a wasteful number, since it uses less digits than its factorization.

40964430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105060.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40964430 is about 6400.3460843926. The cubic root of 40964430 is about 344.7219772301.

The spelling of 40964430 in words is "forty million, nine hundred sixty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 105037 210074 315111 525185 630222 1050370 1365481 1575555 2730962 3151110 4096443 6827405 8192886 13654810 20482215 40964430