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1028272036 = 22113193139
BaseRepresentation
bin111101010010100…
…010111110100100
32122122212122001111
4331102202332210
54101214201121
6250011234404
734324111441
oct7522427644
92578778044
101028272036
11488484000
12248448a04
131350587bc
149a7ca9c8
15604182e1
hex3d4a2fa4

1028272036 has 24 divisors (see below), whose sum is σ = 1979298720. Its totient is φ = 467393960.

The previous prime is 1028272031. The next prime is 1028272057. The reversal of 1028272036 is 6302728201.

It is a junction number, because it is equal to n+sod(n) for n = 1028271989 and 1028272007.

It is not an unprimeable number, because it can be changed into a prime (1028272031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91246 + ... + 101893.

It is an arithmetic number, because the mean of its divisors is an integer number (82470780).

Almost surely, 21028272036 is an apocalyptic number.

It is an amenable number.

1028272036 is a deficient number, since it is larger than the sum of its proper divisors (951026684).

1028272036 is a wasteful number, since it uses less digits than its factorization.

1028272036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193176 (or 193152 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1028272036 is about 32066.6810880078. The cubic root of 1028272036 is about 1009.3365691816.

The spelling of 1028272036 in words is "one billion, twenty-eight million, two hundred seventy-two thousand, thirty-six".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2662 5324 193139 386278 772556 2124529 4249058 8498116 23369819 46739638 93479276 257068009 514136018 1028272036