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1028480672 = 2532140021
BaseRepresentation
bin111101010011010…
…101111010100000
32122200021020020202
4331103111322200
54101242340142
6250015524332
734325640632
oct7523257240
92580236222
101028480672
1148860682a
122485296a8
131350cc75b
149a842a52
156045a032
hex3d4d5ea0

1028480672 has 12 divisors (see below), whose sum is σ = 2024821386. Its totient is φ = 514240320.

The previous prime is 1028480633. The next prime is 1028480681. The reversal of 1028480672 is 2760848201.

It can be written as a sum of positive squares in only one way, i.e., 748788496 + 279692176 = 27364^2 + 16724^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16069979 + ... + 16070042.

Almost surely, 21028480672 is an apocalyptic number.

It is an amenable number.

1028480672 is a deficient number, since it is larger than the sum of its proper divisors (996340714).

1028480672 is an equidigital number, since it uses as much as digits as its factorization.

1028480672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32140031 (or 32140023 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1028480672 is about 32069.9340816285. The cubic root of 1028480672 is about 1009.4048292322.

The spelling of 1028480672 in words is "one billion, twenty-eight million, four hundred eighty thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 32140021 64280042 128560084 257120168 514240336 1028480672