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770868 = 2232721923
BaseRepresentation
bin10111100001100110100
31110011102200
42330030310
5144131433
624304500
76360300
oct2741464
91404380
10770868
1148718a
12312130
1320cb47
14160d00
15103613
hexbc334

770868 has 108 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 199584.

The previous prime is 770867. The next prime is 770873. The reversal of 770868 is 868077.

It is a happy number.

770868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770863) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33505 + ... + 33527.

2770868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244880).

770868 is an abundant number, since it is smaller than the sum of its proper divisors (1718892).

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

770868 is a wasteful number, since it uses less digits than its factorization.

770868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 770868 is about 877.9908883354. The cubic root of 770868 is about 91.6909922586.

It can be divided in two parts, 7708 and 68, that added together give a 5-th power (7776 = 65).

The spelling of 770868 in words is "seven hundred seventy thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 23 28 36 38 42 46 49 57 63 69 76 84 92 98 114 126 133 138 147 161 171 196 207 228 252 266 276 294 322 342 399 414 437 441 483 532 588 644 684 798 828 874 882 931 966 1127 1197 1311 1449 1596 1748 1764 1862 1932 2254 2394 2622 2793 2898 3059 3381 3724 3933 4508 4788 5244 5586 5796 6118 6762 7866 8379 9177 10143 11172 12236 13524 15732 16758 18354 20286 21413 27531 33516 36708 40572 42826 55062 64239 85652 110124 128478 192717 256956 385434 770868