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40152707 = 72819443
BaseRepresentation
bin1001100100101…
…0111010000011
32210112222011022
42121022322003
540234341312
63552340055
7665202200
oct231127203
983488138
1040152707
1120735361
121154462b
13841b1ca
145492ca7
1537d2172
hex264ae83

40152707 has 6 divisors (see below), whose sum is σ = 46708308. Its totient is φ = 34416564.

The previous prime is 40152703. The next prime is 40152731. The reversal of 40152707 is 70725104.

It is not a de Polignac number, because 40152707 - 22 = 40152703 is a prime.

It is a super-2 number, since 2×401527072 = 3224479758855698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40152703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409673 + ... + 409770.

It is an arithmetic number, because the mean of its divisors is an integer number (7784718).

Almost surely, 240152707 is an apocalyptic number.

40152707 is a deficient number, since it is larger than the sum of its proper divisors (6555601).

40152707 is an equidigital number, since it uses as much as digits as its factorization.

40152707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819457 (or 819450 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 40152707 is about 6336.6163683783. The cubic root of 40152707 is about 342.4298455065.

The spelling of 40152707 in words is "forty million, one hundred fifty-two thousand, seven hundred seven".

Divisors: 1 7 49 819443 5736101 40152707