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45885217 = 723725309
BaseRepresentation
bin1010111100001…
…0011100100001
310012100012200111
42233002130201
543221311332
64315251321
71065006100
oct257023441
9105305614
1045885217
11239a0274
1213449b41
139677521
146146037
154065947
hex2bc2721

45885217 has 12 divisors (see below), whose sum is σ = 54821460. Its totient is φ = 38265696.

The previous prime is 45885187. The next prime is 45885263. The reversal of 45885217 is 71258854.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 10732176 = 5929^2 + 3276^2 .

It is not a de Polignac number, because 45885217 - 27 = 45885089 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 45885217.

It is not an unprimeable number, because it can be changed into a prime (45885317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10842 + ... + 14467.

It is an arithmetic number, because the mean of its divisors is an integer number (4568455).

Almost surely, 245885217 is an apocalyptic number.

It is an amenable number.

45885217 is a deficient number, since it is larger than the sum of its proper divisors (8936243).

45885217 is a wasteful number, since it uses less digits than its factorization.

45885217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25360 (or 25353 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 45885217 is about 6773.8627827850. The cubic root of 45885217 is about 358.0065149715.

The spelling of 45885217 in words is "forty-five million, eight hundred eighty-five thousand, two hundred seventeen".

Divisors: 1 7 37 49 259 1813 25309 177163 936433 1240141 6555031 45885217