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45731214 = 23219133717
BaseRepresentation
bin1010111001110…
…0110110001110
310012001101102200
42232130312032
543201344324
64312102330
71063465104
oct256346616
9105041380
1045731214
11238a55a1
12133949a6
1396223b9
146105c74
154034ec9
hex2b9cd8e

45731214 has 24 divisors (see below), whose sum is σ = 104300040. Its totient is φ = 14441328.

The previous prime is 45731201. The next prime is 45731221. The reversal of 45731214 is 41213754.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66517 + ... + 67200.

It is an arithmetic number, because the mean of its divisors is an integer number (4345835).

Almost surely, 245731214 is an apocalyptic number.

45731214 is an abundant number, since it is smaller than the sum of its proper divisors (58568826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45731214 is a wasteful number, since it uses less digits than its factorization.

45731214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133744 (or 133741 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 45731214 is about 6762.4857855673. The cubic root of 45731214 is about 357.6055443340.

Adding to 45731214 its reverse (41213754), we get a palindrome (86944968).

The spelling of 45731214 in words is "forty-five million, seven hundred thirty-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 133717 267434 401151 802302 1203453 2406906 2540623 5081246 7621869 15243738 22865607 45731214