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52244217 = 332238677
BaseRepresentation
bin1100011101001…
…0111011111001
310122022021121000
43013102323321
5101333303332
65103435213
71203032334
oct307227371
9118267530
1052244217
1127543943
12155b5b09
13aa92a4c
146d1d61b
1548beb7c
hex31d2ef9

52244217 has 16 divisors (see below), whose sum is σ = 77754880. Its totient is φ = 34669296.

The previous prime is 52244177. The next prime is 52244239. The reversal of 52244217 is 71244225.

It is not a de Polignac number, because 52244217 - 27 = 52244089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52244617) 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, 1683 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (4859680).

Almost surely, 252244217 is an apocalyptic number.

It is an amenable number.

52244217 is a deficient number, since it is larger than the sum of its proper divisors (25510663).

52244217 is a wasteful number, since it uses less digits than its factorization.

52244217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909 (or 8903 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 52244217 is about 7228.0161178570. The cubic root of 52244217 is about 373.8345255373.

The spelling of 52244217 in words is "fifty-two million, two hundred forty-four thousand, two hundred seventeen".

Divisors: 1 3 9 27 223 669 2007 6021 8677 26031 78093 234279 1934971 5804913 17414739 52244217