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45011428 = 22711146141
BaseRepresentation
bin1010101110110…
…1000111100100
310010200211001221
42223231013210
543010331203
64244430124
71054406440
oct253550744
9103624057
1045011428
1123453830
12130a8344
13942c8a7
145d99820
153e41abd
hex2aed1e4

45011428 has 24 divisors (see below), whose sum is σ = 98207424. Its totient is φ = 17536800.

The previous prime is 45011413. The next prime is 45011431. The reversal of 45011428 is 82411054.

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, 72763 + ... + 73378.

It is an arithmetic number, because the mean of its divisors is an integer number (4091976).

Almost surely, 245011428 is an apocalyptic number.

It is an amenable number.

45011428 is an abundant number, since it is smaller than the sum of its proper divisors (53195996).

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

45011428 is a wasteful number, since it uses less digits than its factorization.

45011428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146163 (or 146161 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 45011428 is about 6709.0556712551. The cubic root of 45011428 is about 355.7194376610.

It can be divided in two parts, 4501 and 1428, that added together give a square (5929 = 772).

The spelling of 45011428 in words is "forty-five million, eleven thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 146141 292282 584564 1022987 1607551 2045974 3215102 4091948 6430204 11252857 22505714 45011428