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1628083140 = 223590729917
BaseRepresentation
bin110000100001010…
…1001001111000100
311012110112012012120
41201002221033010
511313242130030
6425315245540
755226323035
oct14102511704
94173465176
101628083140
11766012a62
123952a98b0
131cc3b9408
14116324a8c
1597dea010
hex610a93c4

1628083140 has 48 divisors (see below), whose sum is σ = 4563811392. Its totient is φ = 433662336.

The previous prime is 1628083123. The next prime is 1628083169. The reversal of 1628083140 is 413808261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39462 + ... + 69378.

It is an arithmetic number, because the mean of its divisors is an integer number (95079404).

Almost surely, 21628083140 is an apocalyptic number.

1628083140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1628083140 is an abundant number, since it is smaller than the sum of its proper divisors (2935728252).

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

1628083140 is a wasteful number, since it uses less digits than its factorization.

1628083140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30836 (or 30834 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1628083140 is about 40349.5122647102. The cubic root of 1628083140 is about 1176.4104119622.

The spelling of 1628083140 in words is "one billion, six hundred twenty-eight million, eighty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 907 1814 2721 3628 4535 5442 9070 10884 13605 18140 27210 29917 54420 59834 89751 119668 149585 179502 299170 359004 448755 598340 897510 1795020 27134719 54269438 81404157 108538876 135673595 162808314 271347190 325616628 407020785 542694380 814041570 1628083140