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2428190928 = 243216862437
BaseRepresentation
bin1001000010111011…
…0100000011010000
320021020001212202100
42100232310003100
514433104102203
61040540320400
7114113165562
oct22056640320
96236055670
102428190928
111036717869
12579243100
132c90a9387
141906bb332
15e3293ea3
hex90bb40d0

2428190928 has 30 divisors (see below), whose sum is σ = 6795562514. Its totient is φ = 809396928.

The previous prime is 2428190923. The next prime is 2428190953. The reversal of 2428190928 is 8290918242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2130007104 + 298183824 = 46152^2 + 17268^2 .

It is a super-2 number, since 2×24281909282 = 11792222365643002368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428190923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8431075 + ... + 8431362.

Almost surely, 22428190928 is an apocalyptic number.

It is an amenable number.

2428190928 is an abundant number, since it is smaller than the sum of its proper divisors (4367371586).

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

2428190928 is a wasteful number, since it uses less digits than its factorization.

2428190928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16862451 (or 16862442 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2428190928 is about 49276.6773230501. The cubic root of 2428190928 is about 1344.0877121753.

The spelling of 2428190928 in words is "two billion, four hundred twenty-eight million, one hundred ninety thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 16862437 33724874 50587311 67449748 101174622 134899496 151761933 202349244 269798992 303523866 404698488 607047732 809396976 1214095464 2428190928