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40046982 = 237194007
BaseRepresentation
bin1001100011000…
…1000110000110
32210100121010120
42120301012012
540223000412
63550202410
7664252023
oct230610606
983317116
1040046982
1120672988
12114b3406
1383b2051
14546654a
1537b0b8c
hex2631186

40046982 has 16 divisors (see below), whose sum is σ = 81222912. Its totient is φ = 13160840.

The previous prime is 40046971. The next prime is 40046983. The reversal of 40046982 is 28964004.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40046983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46578 + ... + 47429.

It is an arithmetic number, because the mean of its divisors is an integer number (5076432).

Almost surely, 240046982 is an apocalyptic number.

40046982 is an abundant number, since it is smaller than the sum of its proper divisors (41175930).

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

40046982 is a wasteful number, since it uses less digits than its factorization.

40046982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94083.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 40046982 is about 6328.2684835585. The cubic root of 40046982 is about 342.1290337632.

The spelling of 40046982 in words is "forty million, forty-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 71 142 213 426 94007 188014 282021 564042 6674497 13348994 20023491 40046982