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900028998 = 232114545601
BaseRepresentation
bin110101101001010…
…101101001000110
32022201120012200100
4311221111221012
53320401411443
6225150424530
731206056151
oct6551255106
92281505610
10900028998
11422052120
12211502146
1311460694b
1487766c98
15540353d3
hex35a55a46

900028998 has 24 divisors (see below), whose sum is σ = 2127341736. Its totient is φ = 272736000.

The previous prime is 900028979. The next prime is 900028999. The reversal of 900028998 is 899820009.

900028998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900028999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2272603 + ... + 2272998.

It is an arithmetic number, because the mean of its divisors is an integer number (88639239).

Almost surely, 2900028998 is an apocalyptic number.

900028998 is an abundant number, since it is smaller than the sum of its proper divisors (1227312738).

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

900028998 is a wasteful number, since it uses less digits than its factorization.

900028998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545620 (or 4545617 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 900028998 is about 30000.4832961071. The cubic root of 900028998 is about 965.4997538503.

The spelling of 900028998 in words is "nine hundred million, twenty-eight thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 4545601 9091202 13636803 27273606 40910409 50001611 81820818 100003222 150004833 300009666 450014499 900028998