Search a number
-
+
45108925 = 521939349
BaseRepresentation
bin1010110000010…
…0111010111101
310010212202210221
42230010322331
543021441200
64250501341
71055263621
oct254047275
9103782727
1045108925
1123510004
1213134851
139465094
145dc3181
153e6091a
hex2b04ebd

45108925 has 12 divisors (see below), whose sum is σ = 56230900. Its totient is φ = 35896320.

The previous prime is 45108919. The next prime is 45108929. The reversal of 45108925 is 52980154.

It can be written as a sum of positive squares in 6 ways, for example, as 232324 + 44876601 = 482^2 + 6699^2 .

It is not a de Polignac number, because 45108925 - 219 = 44584637 is a prime.

It is a super-2 number, since 2×451089252 = 4069630229311250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45108929) 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, 151 + ... + 9499.

Almost surely, 245108925 is an apocalyptic number.

It is an amenable number.

45108925 is a deficient number, since it is larger than the sum of its proper divisors (11121975).

45108925 is a wasteful number, since it uses less digits than its factorization.

45108925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552 (or 9547 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 45108925 is about 6716.3178155891. The cubic root of 45108925 is about 355.9760877976.

The spelling of 45108925 in words is "forty-five million, one hundred eight thousand, nine hundred twenty-five".

Divisors: 1 5 25 193 965 4825 9349 46745 233725 1804357 9021785 45108925