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1132909769 = 3972853677
BaseRepresentation
bin100001110000110…
…1101010011001001
32220221202210001002
41003201231103021
54310011103034
6304230104345
740034400635
oct10341552311
92827683032
101132909769
11531552972
122774ab0b5
13150934214
14aa667dc5
15696d6e7e
hex4386d4c9

1132909769 has 4 divisors (see below), whose sum is σ = 1135763844. Its totient is φ = 1130055696.

The previous prime is 1132909763. The next prime is 1132909819. The reversal of 1132909769 is 9679092311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9679092311 = 71382727473.

It can be written as a sum of positive squares in 2 ways, for example, as 644499769 + 488410000 = 25387^2 + 22100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132909769 - 24 = 1132909753 is a prime.

It is a super-2 number, since 2×11329097692 = 2566969089391266722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132909763) 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, 1426442 + ... + 1427235.

It is an arithmetic number, because the mean of its divisors is an integer number (283940961).

Almost surely, 21132909769 is an apocalyptic number.

It is an amenable number.

1132909769 is a deficient number, since it is larger than the sum of its proper divisors (2854075).

1132909769 is an equidigital number, since it uses as much as digits as its factorization.

1132909769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854074.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 1132909769 is about 33658.7250055613. The cubic root of 1132909769 is about 1042.4737000690.

The spelling of 1132909769 in words is "one billion, one hundred thirty-two million, nine hundred nine thousand, seven hundred sixty-nine".

Divisors: 1 397 2853677 1132909769