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40375470 = 2355922811
BaseRepresentation
bin1001101000000…
…1010010101110
32210222021201210
42122001102232
540314003340
64001215250
71000120512
oct232012256
983867653
1040375470
1120877763
1211631526
138498715
145510142
153828180
hex26814ae

40375470 has 32 divisors (see below), whose sum is σ = 98547840. Its totient is φ = 10583840.

The previous prime is 40375429. The next prime is 40375523. The reversal of 40375470 is 7457304.

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

It is a Curzon number.

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, 9636 + ... + 13175.

It is an arithmetic number, because the mean of its divisors is an integer number (3079620).

Almost surely, 240375470 is an apocalyptic number.

40375470 is an abundant number, since it is smaller than the sum of its proper divisors (58172370).

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

40375470 is a wasteful number, since it uses less digits than its factorization.

40375470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22880.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 40375470 is about 6354.1694972671. The cubic root of 40375470 is about 343.0619329611.

The spelling of 40375470 in words is "forty million, three hundred seventy-five thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 22811 45622 68433 114055 136866 228110 342165 684330 1345849 2691698 4037547 6729245 8075094 13458490 20187735 40375470