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40315043 = 79975261
BaseRepresentation
bin1001100111001…
…0100010100011
32210212012211202
42121302202203
540310040133
64000031415
7666446366
oct231624243
983765752
1040315043
112083631a
121160256b
138477072
1454d60dd
1538152e8
hex26728a3

40315043 has 8 divisors (see below), whose sum is σ = 41254080. Its totient is φ = 39386880.

The previous prime is 40315027. The next prime is 40315069. The reversal of 40315043 is 34051304.

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

It is a cyclic number.

It is not a de Polignac number, because 40315043 - 24 = 40315027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40315073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5033 + ... + 10293.

It is an arithmetic number, because the mean of its divisors is an integer number (5156760).

Almost surely, 240315043 is an apocalyptic number.

40315043 is a deficient number, since it is larger than the sum of its proper divisors (939037).

40315043 is an equidigital number, since it uses as much as digits as its factorization.

40315043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40315043 is about 6349.4128074965. The cubic root of 40315043 is about 342.8907023119.

Adding to 40315043 its reverse (34051304), we get a palindrome (74366347).

The spelling of 40315043 in words is "forty million, three hundred fifteen thousand, forty-three".

Divisors: 1 79 97 5261 7663 415619 510317 40315043