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40710990 = 2356612053
BaseRepresentation
bin1001101101001…
…1001101001110
32211121022222110
42123103031032
540410222430
64012324450
71003015635
oct233231516
984538873
1040710990
1120a86851
1211773726
138585358
14559a51c
1538927b0
hex26d334e

40710990 has 32 divisors (see below), whose sum is σ = 97901856. Its totient is φ = 10834560.

The previous prime is 40710961. The next prime is 40711007. The reversal of 40710990 is 9901704.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18804 + ... + 20856.

It is an arithmetic number, because the mean of its divisors is an integer number (3059433).

Almost surely, 240710990 is an apocalyptic number.

40710990 is an abundant number, since it is smaller than the sum of its proper divisors (57190866).

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

40710990 is a wasteful number, since it uses less digits than its factorization.

40710990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 40710990 is about 6380.5164367785. The cubic root of 40710990 is about 344.0095938824.

The spelling of 40710990 in words is "forty million, seven hundred ten thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 661 1322 1983 2053 3305 3966 4106 6159 6610 9915 10265 12318 19830 20530 30795 61590 1357033 2714066 4071099 6785165 8142198 13570330 20355495 40710990