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40152306 = 236692051
BaseRepresentation
bin1001100100101…
…0110011110010
32210112221121110
42121022303302
540234333211
63552334150
7665201055
oct231126362
983487543
1040152306
1120735027
1211544356
13841ac7c
145492a9c
1537d1ea6
hex264acf2

40152306 has 8 divisors (see below), whose sum is σ = 80304624. Its totient is φ = 13384100.

The previous prime is 40152293. The next prime is 40152337. The reversal of 40152306 is 60325104.

It is a happy number.

40152306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

40152306 is an admirable number.

It is a super-2 number, since 2×401523062 = 3224415354235272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346020 + ... + 3346031.

It is an arithmetic number, because the mean of its divisors is an integer number (10038078).

Almost surely, 240152306 is an apocalyptic number.

40152306 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.

40152306 is a wasteful number, since it uses less digits than its factorization.

40152306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692056.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40152306 is about 6336.5847268067. The cubic root of 40152306 is about 342.4287055682.

The spelling of 40152306 in words is "forty million, one hundred fifty-two thousand, three hundred six".

Divisors: 1 2 3 6 6692051 13384102 20076153 40152306