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42272933 = 316612063
BaseRepresentation
bin1010000101000…
…0100010100101
32221112200120012
42201100202211
541310213213
64110020005
71022212463
oct241204245
987480505
1042272933
112195330a
12121a7605
1389b1291
145885833
153aa04a8
hex28508a5

42272933 has 8 divisors (see below), whose sum is σ = 43723776. Its totient is φ = 40827600.

The previous prime is 42272921. The next prime is 42272947. The reversal of 42272933 is 33927224.

It is a happy number.

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 42272933 - 24 = 42272917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42272933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42272963) 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, 19460 + ... + 21522.

It is an arithmetic number, because the mean of its divisors is an integer number (5465472).

Almost surely, 242272933 is an apocalyptic number.

It is an amenable number.

42272933 is a deficient number, since it is larger than the sum of its proper divisors (1450843).

42272933 is a wasteful number, since it uses less digits than its factorization.

42272933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755.

The product of its digits is 18144, while the sum is 32.

The square root of 42272933 is about 6501.7638376059. The cubic root of 42272933 is about 348.3539936211.

The spelling of 42272933 in words is "forty-two million, two hundred seventy-two thousand, nine hundred thirty-three".

Divisors: 1 31 661 2063 20491 63953 1363643 42272933