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761381406 = 23243996353
BaseRepresentation
bin101101011000011…
…100001000011110
31222001200011221100
4231120130020132
53024403201111
6203315013530
724603430602
oct5530341036
91861604840
10761381406
11360864135
12192b9a2a6
13c1981056
1473195502
1546c99756
hex2d61c21e

761381406 has 24 divisors (see below), whose sum is σ = 1653434640. Its totient is φ = 253213056.

The previous prime is 761381377. The next prime is 761381407. The reversal of 761381406 is 604183167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761381407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40275 + ... + 56078.

It is an arithmetic number, because the mean of its divisors is an integer number (68893110).

Almost surely, 2761381406 is an apocalyptic number.

761381406 is an abundant number, since it is smaller than the sum of its proper divisors (892053234).

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

761381406 is a wasteful number, since it uses less digits than its factorization.

761381406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96800 (or 96797 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 761381406 is about 27593.1405606538. The cubic root of 761381406 is about 913.1331065454.

The spelling of 761381406 in words is "seven hundred sixty-one million, three hundred eighty-one thousand, four hundred six".

Divisors: 1 2 3 6 9 18 439 878 1317 2634 3951 7902 96353 192706 289059 578118 867177 1734354 42298967 84597934 126896901 253793802 380690703 761381406