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764420046 = 231319515803
BaseRepresentation
bin101101100100000…
…001111111001110
31222021101120011120
4231210001333032
53031142420141
6203504101410
724641314605
oct5544017716
91867346146
10764420046
1136254a105
12194004866
13c24a6170
1473746a3c
1547199c66
hex2d901fce

764420046 has 32 divisors (see below), whose sum is σ = 1733101440. Its totient is φ = 222826464.

The previous prime is 764420039. The next prime is 764420047. The reversal of 764420046 is 640024467.

It is a junction number, because it is equal to n+sod(n) for n = 764419989 and 764420016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764420047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256420 + ... + 259383.

It is an arithmetic number, because the mean of its divisors is an integer number (54159420).

Almost surely, 2764420046 is an apocalyptic number.

764420046 is an abundant number, since it is smaller than the sum of its proper divisors (968681394).

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

764420046 is a wasteful number, since it uses less digits than its factorization.

764420046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515840.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 764420046 is about 27648.1472435315. The cubic root of 764420046 is about 914.3462522438.

The spelling of 764420046 in words is "seven hundred sixty-four million, four hundred twenty thousand, forty-six".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 515803 1031606 1547409 3094818 6705439 9800257 13410878 19600514 20116317 29400771 40232634 58801542 127403341 254806682 382210023 764420046