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42237315 = 3352361223
BaseRepresentation
bin1010000100011…
…1110110000011
32221110212201000
42201013312003
541303043230
64105143043
71022003601
oct241076603
987425630
1042237315
112192957a
121218aa83
13899acc3
145876871
153a94b60
hex2847d83

42237315 has 64 divisors (see below), whose sum is σ = 79994880. Its totient is φ = 21098880.

The previous prime is 42237301. The next prime is 42237317. The reversal of 42237315 is 51373224.

It is not a de Polignac number, because 42237315 - 28 = 42237059 is a prime.

It is a hoax number, since the sum of its digits (27) 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 (27).

Its product of digits (5040) is a multiple of the sum of its prime divisors (315).

It is not an unprimeable number, because it can be changed into a prime (42237317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189294 + ... + 189516.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 242237315 is an apocalyptic number.

42237315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42237315 is a deficient number, since it is larger than the sum of its proper divisors (37757565).

42237315 is a wasteful number, since it uses less digits than its factorization.

42237315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 42237315 is about 6499.0241575178. The cubic root of 42237315 is about 348.2561283277.

The spelling of 42237315 in words is "forty-two million, two hundred thirty-seven thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 23 27 45 61 69 115 135 183 207 223 305 345 549 621 669 915 1035 1115 1403 1647 2007 2745 3105 3345 4209 5129 6021 7015 8235 10035 12627 13603 15387 21045 25645 30105 37881 40809 46161 63135 68015 76935 122427 138483 189405 204045 230805 312869 367281 612135 692415 938607 1564345 1836405 2815821 4693035 8447463 14079105 42237315