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42974595 = 325954991
BaseRepresentation
bin1010001111101…
…1110110000011
32222212100001200
42203323312003
542000141340
64133032243
71031164236
oct243736603
988770050
1042974595
11222924a4
1212485683
138b98771
1459c941d
153b8d330
hex28fbd83

42974595 has 12 divisors (see below), whose sum is σ = 74489376. Its totient is φ = 22919760.

The previous prime is 42974593. The next prime is 42974621. The reversal of 42974595 is 59547924.

It is not a de Polignac number, because 42974595 - 21 = 42974593 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 954991 = 42974595 / (4 + 2 + 9 + 7 + 4 + 5 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 42974595.

It is not an unprimeable number, because it can be changed into a prime (42974593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477451 + ... + 477540.

It is an arithmetic number, because the mean of its divisors is an integer number (6207448).

Almost surely, 242974595 is an apocalyptic number.

42974595 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42974595 is a deficient number, since it is larger than the sum of its proper divisors (31514781).

42974595 is a wasteful number, since it uses less digits than its factorization.

42974595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955002 (or 954999 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 42974595 is about 6555.5011250094. The cubic root of 42974595 is about 350.2707972311.

The spelling of 42974595 in words is "forty-two million, nine hundred seventy-four thousand, five hundred ninety-five".

Divisors: 1 3 5 9 15 45 954991 2864973 4774955 8594919 14324865 42974595