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45230140 = 2252977983
BaseRepresentation
bin1010110010001…
…0100000111100
310011002221002101
42230202200330
543034331030
64253234444
71056310204
oct254424074
9104087071
1045230140
112359308a
1213192a24
1394a82c7
146015404
153e867ca
hex2b2283c

45230140 has 24 divisors (see below), whose sum is σ = 98259840. Its totient is φ = 17467968.

The previous prime is 45230099. The next prime is 45230173. The reversal of 45230140 is 4103254.

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 7 ways as a sum of consecutive naturals, for example, 38412 + ... + 39571.

It is an arithmetic number, because the mean of its divisors is an integer number (4094160).

Almost surely, 245230140 is an apocalyptic number.

It is an amenable number.

45230140 is an abundant number, since it is smaller than the sum of its proper divisors (53029700).

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

45230140 is a wasteful number, since it uses less digits than its factorization.

45230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78021 (or 78019 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45230140 is about 6725.3356793546. The cubic root of 45230140 is about 356.2946577853.

Adding to 45230140 its reverse (4103254), we get a palindrome (49333394).

The spelling of 45230140 in words is "forty-five million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 77983 155966 311932 389915 779830 1559660 2261507 4523014 9046028 11307535 22615070 45230140