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40468842 = 233749423
BaseRepresentation
bin1001101001100…
…0000101101010
32211011000211000
42122120011222
540330000332
64003215430
71000656651
oct232300552
984130730
1040468842
1120930927
1211677576
1384cc07b
145536198
153845b7c
hex269816a

40468842 has 16 divisors (see below), whose sum is σ = 89930880. Its totient is φ = 13489596.

The previous prime is 40468817. The next prime is 40468843. The reversal of 40468842 is 24886404.

It is a junction number, because it is equal to n+sod(n) for n = 40468797 and 40468806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40468843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 374658 + ... + 374765.

It is an arithmetic number, because the mean of its divisors is an integer number (5620680).

Almost surely, 240468842 is an apocalyptic number.

40468842 is an abundant number, since it is smaller than the sum of its proper divisors (49462038).

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

40468842 is a wasteful number, since it uses less digits than its factorization.

40468842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749434 (or 749428 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 40468842 is about 6361.5125559886. The cubic root of 40468842 is about 343.3261834897.

The spelling of 40468842 in words is "forty million, four hundred sixty-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 749423 1498846 2248269 4496538 6744807 13489614 20234421 40468842