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764424142 = 21738235881
BaseRepresentation
bin101101100100000…
…010111111001110
31222021101202210021
4231210002333032
53031143033032
6203504132354
724641332546
oct5544027716
91867352707
10764424142
11362552199
121940070ba
13c24a7ca1
1473748326
154719b097
hex2d902fce

764424142 has 16 divisors (see below), whose sum is σ = 1214609472. Its totient is φ = 359573760.

The previous prime is 764424139. The next prime is 764424149. The reversal of 764424142 is 241424467.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 764424098 and 764424107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764424149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127042 + ... + 132922.

It is an arithmetic number, because the mean of its divisors is an integer number (75913092).

Almost surely, 2764424142 is an apocalyptic number.

764424142 is a deficient number, since it is larger than the sum of its proper divisors (450185330).

764424142 is a wasteful number, since it uses less digits than its factorization.

764424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723.

The product of its digits is 43008, while the sum is 34.

The square root of 764424142 is about 27648.2213171119. The cubic root of 764424142 is about 914.3478853580.

The spelling of 764424142 in words is "seven hundred sixty-four million, four hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 17 34 3823 5881 7646 11762 64991 99977 129982 199954 22483063 44966126 382212071 764424142