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1069293972 = 22389107831
BaseRepresentation
bin111111101111000…
…010000110010100
32202112001202120110
4333233002012110
54142214401342
6254034403020
735332564065
oct7757020624
92675052513
101069293972
114a965242a
1225a130470
131406bc536
14a202856c
1563d1cc9c
hex3fbc2194

1069293972 has 12 divisors (see below), whose sum is σ = 2495019296. Its totient is φ = 356431320.

The previous prime is 1069293947. The next prime is 1069293977. The reversal of 1069293972 is 2793929601.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10692939722 = 2286779197111073568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069293977) 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, 44553904 + ... + 44553927.

Almost surely, 21069293972 is an apocalyptic number.

1069293972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1069293972 is an abundant number, since it is smaller than the sum of its proper divisors (1425725324).

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

1069293972 is a wasteful number, since it uses less digits than its factorization.

1069293972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89107838 (or 89107836 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 1069293972 is about 32700.0607338886. The cubic root of 1069293972 is about 1022.5841090696.

The spelling of 1069293972 in words is "one billion, sixty-nine million, two hundred ninety-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 89107831 178215662 267323493 356431324 534646986 1069293972