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40894494 = 236815749
BaseRepresentation
bin1001110000000…
…0000000011110
32211221122200220
42130000000132
540432110434
64020302210
71004411634
oct234000036
984848626
1040894494
11210a1703
1211841966
13861aa34
145607354
1538cbd49
hex270001e

40894494 has 8 divisors (see below), whose sum is σ = 81789000. Its totient is φ = 13631496.

The previous prime is 40894489. The next prime is 40894499. The reversal of 40894494 is 49449804.

It is an interprime number because it is at equal distance from previous prime (40894489) and next prime (40894499).

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

40894494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40894499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407869 + ... + 3407880.

It is an arithmetic number, because the mean of its divisors is an integer number (10223625).

Almost surely, 240894494 is an apocalyptic number.

40894494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40894494 is a wasteful number, since it uses less digits than its factorization.

40894494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815754.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40894494 is about 6394.8802959868. The cubic root of 40894494 is about 344.5256914211.

The spelling of 40894494 in words is "forty million, eight hundred ninety-four thousand, four hundred ninety-four".

Divisors: 1 2 3 6 6815749 13631498 20447247 40894494