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770665050 = 233525310771
BaseRepresentation
bin101101111011110…
…110101001011010
31222201010211201000
4231323312221122
53034242240200
6204250005430
725045354611
oct5573665132
91881124630
10770665050
11366025071
12196116876
13c388182c
14744d0878
15479d0300
hex2def6a5a

770665050 has 96 divisors (see below), whose sum is σ = 2163879360. Its totient is φ = 201614400.

The previous prime is 770665037. The next prime is 770665057. The reversal of 770665050 is 50566077.

It is a junction number, because it is equal to n+sod(n) for n = 770664996 and 770665014.

It is not an unprimeable number, because it can be changed into a prime (770665057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66165 + ... + 76935.

It is an arithmetic number, because the mean of its divisors is an integer number (22540410).

Almost surely, 2770665050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770665050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081939680).

770665050 is an abundant number, since it is smaller than the sum of its proper divisors (1393214310).

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

770665050 is a wasteful number, since it uses less digits than its factorization.

770665050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845 (or 10834 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 770665050 is about 27760.8546338185. The cubic root of 770665050 is about 916.8294491445.

The spelling of 770665050 in words is "seven hundred seventy million, six hundred sixty-five thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 53 54 75 90 106 135 150 159 225 265 270 318 450 477 530 675 795 954 1325 1350 1431 1590 2385 2650 2862 3975 4770 7155 7950 10771 11925 14310 21542 23850 32313 35775 53855 64626 71550 96939 107710 161565 193878 269275 290817 323130 484695 538550 570863 581634 807825 969390 1141726 1454085 1615650 1712589 2423475 2854315 2908170 3425178 4846950 5137767 5708630 7270425 8562945 10275534 14271575 14540850 15413301 17125890 25688835 28543150 30826602 42814725 51377670 77066505 85629450 128444175 154133010 256888350 385332525 770665050