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45887980 = 2254748817
BaseRepresentation
bin1010111100001…
…1000111101100
310012100100110211
42233003013230
543221403410
64315312204
71065020125
oct257030754
9105310424
1045887980
11239a2356
121344b664
139678868
14614704c
15406668a
hex2bc31ec

45887980 has 24 divisors (see below), whose sum is σ = 98417088. Its totient is φ = 17964288.

The previous prime is 45887971. The next prime is 45887993. The reversal of 45887980 is 8978854.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23469 + ... + 25348.

It is an arithmetic number, because the mean of its divisors is an integer number (4100712).

Almost surely, 245887980 is an apocalyptic number.

It is an amenable number.

45887980 is an abundant number, since it is smaller than the sum of its proper divisors (52529108).

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

45887980 is a wasteful number, since it uses less digits than its factorization.

45887980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48873 (or 48871 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 45887980 is about 6774.0667253873. The cubic root of 45887980 is about 358.0137006710.

The spelling of 45887980 in words is "forty-five million, eight hundred eighty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 48817 97634 195268 244085 488170 976340 2294399 4588798 9177596 11471995 22943990 45887980