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40982490 = 2335151787
BaseRepresentation
bin1001110001010…
…1011111011010
32212010010102000
42130111133122
540442414430
64022221430
71005226323
oct234253732
985103360
1040982490
112115182a
1211884876
13864bac3
14562b44a
1538e7e60
hex27157da

40982490 has 32 divisors (see below), whose sum is σ = 109287360. Its totient is φ = 10928592.

The previous prime is 40982479. The next prime is 40982507. The reversal of 40982490 is 9428904.

It is a happy number.

40982490 is a `hidden beast` number, since 409 + 8 + 249 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75624 + ... + 76163.

It is an arithmetic number, because the mean of its divisors is an integer number (3415230).

Almost surely, 240982490 is an apocalyptic number.

40982490 is an abundant number, since it is smaller than the sum of its proper divisors (68304870).

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

40982490 is a wasteful number, since it uses less digits than its factorization.

40982490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151803 (or 151797 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40982490 is about 6401.7567901319. The cubic root of 40982490 is about 344.7726290129.

The spelling of 40982490 in words is "forty million, nine hundred eighty-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 151787 303574 455361 758935 910722 1366083 1517870 2276805 2732166 4098249 4553610 6830415 8196498 13660830 20491245 40982490