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45143860 = 2252257193
BaseRepresentation
bin1010110000110…
…1011100110100
310010221112201211
42230031130310
543024100420
64251331204
71055500516
oct254153464
9103845654
1045143860
1123534283
1213150b04
139477c58
145dd1bb6
153e6ae5a
hex2b0d734

45143860 has 12 divisors (see below), whose sum is σ = 94802148. Its totient is φ = 18057536.

The previous prime is 45143837. The next prime is 45143873. The reversal of 45143860 is 6834154.

It is a happy number.

45143860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17539344 + 27604516 = 4188^2 + 5254^2 .

It is a super-3 number, since 3×451438603 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128577 + ... + 1128616.

It is an arithmetic number, because the mean of its divisors is an integer number (7900179).

Almost surely, 245143860 is an apocalyptic number.

It is an amenable number.

45143860 is an abundant number, since it is smaller than the sum of its proper divisors (49658288).

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

45143860 is a wasteful number, since it uses less digits than its factorization.

45143860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257202 (or 2257200 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 45143860 is about 6718.9180676654. The cubic root of 45143860 is about 356.0679603454.

The spelling of 45143860 in words is "forty-five million, one hundred forty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 2257193 4514386 9028772 11285965 22571930 45143860