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40107954 = 236684659
BaseRepresentation
bin1001100011111…
…1111110110010
32210110200202210
42120333332302
540231423304
63551352550
7664624545
oct230777662
983420683
1040107954
1120704777
1211522756
138403a23
14548085c
1537c3c89
hex263ffb2

40107954 has 8 divisors (see below), whose sum is σ = 80215920. Its totient is φ = 13369316.

The previous prime is 40107953. The next prime is 40107959. The reversal of 40107954 is 45970104.

It is a happy number.

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

40107954 is an admirable number.

It is a super-2 number, since 2×401079542 = 3217295948132232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40107953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3342324 + ... + 3342335.

It is an arithmetic number, because the mean of its divisors is an integer number (10026990).

Almost surely, 240107954 is an apocalyptic number.

40107954 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.

40107954 is a wasteful number, since it uses less digits than its factorization.

40107954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684664.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 40107954 is about 6333.0840828146. The cubic root of 40107954 is about 342.3025775417.

The spelling of 40107954 in words is "forty million, one hundred seven thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 6684659 13369318 20053977 40107954