Search a number
-
+
772671390 = 23525755713
BaseRepresentation
bin101110000011100…
…000011110011110
31222211220202212220
4232003200132132
53040300441030
6204401010210
725101412161
oct5603403636
91884822786
10772671390
113671754a7
12196923966
13c4104b0a
1474893ad8
1547c79a10
hex2e0e079e

772671390 has 16 divisors (see below), whose sum is σ = 1854411408. Its totient is φ = 206045696.

The previous prime is 772671377. The next prime is 772671391. The reversal of 772671390 is 93176277.

772671390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772671391) 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, 12877827 + ... + 12877886.

It is an arithmetic number, because the mean of its divisors is an integer number (115900713).

Almost surely, 2772671390 is an apocalyptic number.

772671390 is an abundant number, since it is smaller than the sum of its proper divisors (1081740018).

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

772671390 is a wasteful number, since it uses less digits than its factorization.

772671390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25755723.

The product of its (nonzero) digits is 111132, while the sum is 42.

The square root of 772671390 is about 27796.9672806225. The cubic root of 772671390 is about 917.6243805767.

The spelling of 772671390 in words is "seven hundred seventy-two million, six hundred seventy-one thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 25755713 51511426 77267139 128778565 154534278 257557130 386335695 772671390