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761046642 = 23242280369
BaseRepresentation
bin101101010111001…
…010011001110010
31222001001011201200
4231113022121302
53024311443032
6203303512030
724600534606
oct5527123162
91861034650
10761046642
11360655674
12192a58616
13c1894875
1473109506
1546c3047c
hex2d5ca672

761046642 has 12 divisors (see below), whose sum is σ = 1648934430. Its totient is φ = 253682208.

The previous prime is 761046641. The next prime is 761046659. The reversal of 761046642 is 246640167.

761046642 is a `hidden beast` number, since 7 + 6 + 1 + 0 + 4 + 6 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 752350041 + 8696601 = 27429^2 + 2949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 761046597 and 761046606.

It is not an unprimeable number, because it can be changed into a prime (761046641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21140167 + ... + 21140202.

Almost surely, 2761046642 is an apocalyptic number.

761046642 is an abundant number, since it is smaller than the sum of its proper divisors (887887788).

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

761046642 is a wasteful number, since it uses less digits than its factorization.

761046642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42280377 (or 42280374 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 761046642 is about 27587.0738209039. The cubic root of 761046642 is about 912.9992582092. Note that the first 3 decimals are identical.

The spelling of 761046642 in words is "seven hundred sixty-one million, forty-six thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 42280369 84560738 126841107 253682214 380523321 761046642