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1064767028 = 221320476289
BaseRepresentation
bin111111011101110…
…000111000110100
32202012112202202212
4333131300320310
54140040021103
6253353352552
735246241023
oct7735607064
92665482685
101064767028
114a7040256
12258708758
1313c795b80
14a15aa8ba
15637267d8
hex3f770e34

1064767028 has 12 divisors (see below), whose sum is σ = 2006676420. Its totient is φ = 491430912.

The previous prime is 1064767027. The next prime is 1064767031. The reversal of 1064767028 is 8207674601.

It can be written as a sum of positive squares in 2 ways, for example, as 507240484 + 557526544 = 22522^2 + 23612^2 .

It is a super-2 number, since 2×10647670282 = 2267457647831905568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064767027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10238093 + ... + 10238196.

It is an arithmetic number, because the mean of its divisors is an integer number (167223035).

Almost surely, 21064767028 is an apocalyptic number.

It is an amenable number.

1064767028 is a deficient number, since it is larger than the sum of its proper divisors (941909392).

1064767028 is a wasteful number, since it uses less digits than its factorization.

1064767028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20476306 (or 20476304 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 1064767028 is about 32630.7681184492. The cubic root of 1064767028 is about 1021.1390031712.

The spelling of 1064767028 in words is "one billion, sixty-four million, seven hundred sixty-seven thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 20476289 40952578 81905156 266191757 532383514 1064767028