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42288337 = 7134431049
BaseRepresentation
bin1010000101010…
…0010011010001
32221120110200201
42201110103101
541311211322
64110215201
71022305420
oct241242321
987513621
1042288337
1121963943
12121b4501
1389b82b0
14588b2b7
153aa4d27
hex28544d1

42288337 has 16 divisors (see below), whose sum is σ = 52214400. Its totient is φ = 33351552.

The previous prime is 42288331. The next prime is 42288349. The reversal of 42288337 is 73388224.

It is a happy number.

It is not a de Polignac number, because 42288337 - 211 = 42286289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42288296 and 42288305.

It is not an unprimeable number, because it can be changed into a prime (42288331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39789 + ... + 40837.

It is an arithmetic number, because the mean of its divisors is an integer number (3263400).

Almost surely, 242288337 is an apocalyptic number.

It is an amenable number.

42288337 is a deficient number, since it is larger than the sum of its proper divisors (9926063).

42288337 is a wasteful number, since it uses less digits than its factorization.

42288337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 64512, while the sum is 37.

The square root of 42288337 is about 6502.9483313340. The cubic root of 42288337 is about 348.3963011757.

The spelling of 42288337 in words is "forty-two million, two hundred eighty-eight thousand, three hundred thirty-seven".

Divisors: 1 7 13 91 443 1049 3101 5759 7343 13637 40313 95459 464707 3252949 6041191 42288337