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40974247 = 235333613
BaseRepresentation
bin1001110001001…
…1011110100111
32212002201002201
42130103132213
540442133442
64022115331
71005163306
oct234233647
985081081
1040974247
1121146616
121187bb47
138648122
14562843d
1538e57b7
hex27137a7

40974247 has 8 divisors (see below), whose sum is σ = 43563744. Its totient is φ = 38452128.

The previous prime is 40974239. The next prime is 40974253. The reversal of 40974247 is 74247904.

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 40974247 - 23 = 40974239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40974217) 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, 15588 + ... + 18025.

It is an arithmetic number, because the mean of its divisors is an integer number (5445468).

Almost surely, 240974247 is an apocalyptic number.

40974247 is a deficient number, since it is larger than the sum of its proper divisors (2589497).

40974247 is a wasteful number, since it uses less digits than its factorization.

40974247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33689.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 40974247 is about 6401.1129501048. The cubic root of 40974247 is about 344.7495122188.

The spelling of 40974247 in words is "forty million, nine hundred seventy-four thousand, two hundred forty-seven".

Divisors: 1 23 53 1219 33613 773099 1781489 40974247