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772008834 = 23128668139
BaseRepresentation
bin101110000000111…
…110101110000010
31222210200010000210
4232000332232002
53040113240314
6204334454550
725062652422
oct5600765602
91883603023
10772008834
11366862733
12196664456
13c3c3237c
1474760482
1547b98559
hex2e03eb82

772008834 has 8 divisors (see below), whose sum is σ = 1544017680. Its totient is φ = 257336276.

The previous prime is 772008827. The next prime is 772008851. The reversal of 772008834 is 438800277.

It is a sphenic number, since it is the product of 3 distinct primes.

772008834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 772008792 and 772008801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64334064 + ... + 64334075.

It is an arithmetic number, because the mean of its divisors is an integer number (193002210).

Almost surely, 2772008834 is an apocalyptic number.

772008834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

772008834 is a wasteful number, since it uses less digits than its factorization.

772008834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128668144.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 772008834 is about 27785.0469497534. The cubic root of 772008834 is about 917.3620217837.

The spelling of 772008834 in words is "seven hundred seventy-two million, eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 128668139 257336278 386004417 772008834