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40940799 = 385915887
BaseRepresentation
bin1001110000101…
…1010011111111
32212001000012220
42130023103333
540440101144
64021300423
71004663634
oct234132377
985030186
1040940799
1121123479
1211864713
138635b33
14561a18b
1538da919
hex270b4ff

40940799 has 8 divisors (see below), whose sum is σ = 54654720. Its totient is φ = 27260376.

The previous prime is 40940789. The next prime is 40940813. The reversal of 40940799 is 99704904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40940799 - 27 = 40940671 is a prime.

It is a super-2 number, since 2×409407992 = 3352298045516802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40940799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40940729) 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, 5367 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (6831840).

Almost surely, 240940799 is an apocalyptic number.

40940799 is a deficient number, since it is larger than the sum of its proper divisors (13713921).

40940799 is a wasteful number, since it uses less digits than its factorization.

40940799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16749.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 40940799 is about 6398.4997460342. The cubic root of 40940799 is about 344.6556783138.

The spelling of 40940799 in words is "forty million, nine hundred forty thousand, seven hundred ninety-nine".

Divisors: 1 3 859 2577 15887 47661 13646933 40940799