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42270299 = 127332837
BaseRepresentation
bin1010000100111…
…1111001011011
32221112112221122
42201033321123
541310122144
64105555455
71022202011
oct241177133
987475848
1042270299
1121951335
12121a5b8b
1389b0016
1458848b1
153a9e7ee
hex284fe5b

42270299 has 4 divisors (see below), whose sum is σ = 42603264. Its totient is φ = 41937336.

The previous prime is 42270287. The next prime is 42270311. The reversal of 42270299 is 99207224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42270287) and next prime (42270311).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42270299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42270229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166292 + ... + 166545.

It is an arithmetic number, because the mean of its divisors is an integer number (10650816).

Almost surely, 242270299 is an apocalyptic number.

42270299 is a deficient number, since it is larger than the sum of its proper divisors (332965).

42270299 is a wasteful number, since it uses less digits than its factorization.

42270299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332964.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 42270299 is about 6501.5612740326. The cubic root of 42270299 is about 348.3467582310.

The spelling of 42270299 in words is "forty-two million, two hundred seventy thousand, two hundred ninety-nine".

Divisors: 1 127 332837 42270299