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1528892980 = 225720710607
BaseRepresentation
bin101101100100001…
…0000111000110100
310221112212210212221
41123020100320310
511112344033410
6411413252124
752613242636
oct13310207064
93845783787
101528892980
11715024a1a
12368034044
131b499a404
141070a4a56
158e3554da
hex5b210e34

1528892980 has 24 divisors (see below), whose sum is σ = 3211423488. Its totient is φ = 611414688.

The previous prime is 1528892887. The next prime is 1528892983. The reversal of 1528892980 is 892988251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528892983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 138837 + ... + 149443.

It is an arithmetic number, because the mean of its divisors is an integer number (133809312).

Almost surely, 21528892980 is an apocalyptic number.

1528892980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1528892980 is an abundant number, since it is smaller than the sum of its proper divisors (1682530508).

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

1528892980 is a wasteful number, since it uses less digits than its factorization.

1528892980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17823 (or 17821 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 1528892980 is about 39101.0611109213. The cubic root of 1528892980 is about 1152.0173739101.

The spelling of 1528892980 in words is "one billion, five hundred twenty-eight million, eight hundred ninety-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 7207 10607 14414 21214 28828 36035 42428 53035 72070 106070 144140 212140 76444649 152889298 305778596 382223245 764446490 1528892980