Search a number
-
+
45130356 = 22321253621
BaseRepresentation
bin1010110000101…
…0001001110100
310010220212012200
42230022021310
543023132411
64251144500
71055413245
oct254121164
9103825180
1045130356
1123525117
1213145130
139471a6b
145dcaccc
153e66e56
hex2b0a274

45130356 has 18 divisors (see below), whose sum is σ = 114079602. Its totient is φ = 15043440.

The previous prime is 45130331. The next prime is 45130363. The reversal of 45130356 is 65303154.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 6937956 = 6180^2 + 2634^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626775 + ... + 626846.

Almost surely, 245130356 is an apocalyptic number.

It is an amenable number.

45130356 is an abundant number, since it is smaller than the sum of its proper divisors (68949246).

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

45130356 is a wasteful number, since it uses less digits than its factorization.

45130356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253631 (or 1253626 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 45130356 is about 6717.9130688034. The cubic root of 45130356 is about 356.0324529604.

The spelling of 45130356 in words is "forty-five million, one hundred thirty thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 1253621 2507242 3760863 5014484 7521726 11282589 15043452 22565178 45130356