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40914782 = 220457391
BaseRepresentation
bin1001110000010…
…0111101011110
32211222200112022
42130010331132
540433233112
64020540142
71004525036
oct234047536
984880468
1040914782
1121105977
1211851652
13862703c
1456108c6
1538d2d72
hex2704f5e

40914782 has 4 divisors (see below), whose sum is σ = 61372176. Its totient is φ = 20457390.

The previous prime is 40914779. The next prime is 40914787. The reversal of 40914782 is 28741904.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×409147822 = 3348038772215048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40914787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10228694 + ... + 10228697.

It is an arithmetic number, because the mean of its divisors is an integer number (15343044).

Almost surely, 240914782 is an apocalyptic number.

40914782 is a deficient number, since it is larger than the sum of its proper divisors (20457394).

40914782 is a wasteful number, since it uses less digits than its factorization.

40914782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20457393.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 40914782 is about 6396.4663682380. The cubic root of 40914782 is about 344.5826557454.

The spelling of 40914782 in words is "forty million, nine hundred fourteen thousand, seven hundred eighty-two".

Divisors: 1 2 20457391 40914782