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768380742 = 2344743091
BaseRepresentation
bin101101110011001…
…000111101000110
31222112211210020000
4231303020331012
53033201140432
6204125022130
725020062043
oct5563107506
91875753200
10768380742
11364804908
121953b4946
13c3261b7c
14740981ca
15476cd57c
hex2dcc8f46

768380742 has 20 divisors (see below), whose sum is σ = 1721742396. Its totient is φ = 256126860.

The previous prime is 768380737. The next prime is 768380759. The reversal of 768380742 is 247083867.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2371384 + ... + 2371707.

Almost surely, 2768380742 is an apocalyptic number.

768380742 is an abundant number, since it is smaller than the sum of its proper divisors (953361654).

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

768380742 is a wasteful number, since it uses less digits than its factorization.

768380742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743105 (or 4743096 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 768380742 is about 27719.6814916766. The cubic root of 768380742 is about 915.9227026490.

The spelling of 768380742 in words is "seven hundred sixty-eight million, three hundred eighty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 4743091 9486182 14229273 28458546 42687819 85375638 128063457 256126914 384190371 768380742