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40430746 = 2191063967
BaseRepresentation
bin1001101000111…
…0110010011010
32211002002120001
42122032302122
540322240441
64002323214
71000440616
oct232166232
984062501
1040430746
1120905244
121165950a
1384b7925
145526346
153839731
hex268ec9a

40430746 has 8 divisors (see below), whose sum is σ = 63838080. Its totient is φ = 19151388.

The previous prime is 40430729. The next prime is 40430749. The reversal of 40430746 is 64703404.

40430746 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.

It is not an unprimeable number, because it can be changed into a prime (40430749) by changing a digit.

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, 531946 + ... + 532021.

It is an arithmetic number, because the mean of its divisors is an integer number (7979760).

Almost surely, 240430746 is an apocalyptic number.

40430746 is a deficient number, since it is larger than the sum of its proper divisors (23407334).

40430746 is a wasteful number, since it uses less digits than its factorization.

40430746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063988.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 40430746 is about 6358.5175945341. The cubic root of 40430746 is about 343.2184177788.

The spelling of 40430746 in words is "forty million, four hundred thirty thousand, seven hundred forty-six".

Divisors: 1 2 19 38 1063967 2127934 20215373 40430746