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40376385 = 3257235573
BaseRepresentation
bin1001101000000…
…1100001000001
32210222022222200
42122001201001
540314021020
64001223413
71000123260
oct232014101
983868880
1040376385
1120878415
1211631b69
138498c6a
1455105d7
153828590
hex2681841

40376385 has 48 divisors (see below), whose sum is σ = 83476224. Its totient is φ = 17652096.

The previous prime is 40376383. The next prime is 40376389. The reversal of 40376385 is 58367304.

It is a happy number.

It is not a de Polignac number, because 40376385 - 21 = 40376383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40376383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4459 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (1739088).

Almost surely, 240376385 is an apocalyptic number.

40376385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40376385 is an abundant number, since it is smaller than the sum of its proper divisors (43099839).

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

40376385 is a wasteful number, since it uses less digits than its factorization.

40376385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614 (or 5611 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 40376385 is about 6354.2414968271. The cubic root of 40376385 is about 343.0645244628.

The spelling of 40376385 in words is "forty million, three hundred seventy-six thousand, three hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 23 35 45 63 69 105 115 161 207 315 345 483 805 1035 1449 2415 5573 7245 16719 27865 39011 50157 83595 117033 128179 195055 250785 351099 384537 585165 640895 897253 1153611 1755495 1922685 2691759 4486265 5768055 8075277 13458795 40376385