Search a number
-
+
764472660 = 2235717107069
BaseRepresentation
bin101101100100001…
…110110101010100
31222021111020100020
4231210032311110
53031201111120
6203505145140
724641624160
oct5544166524
91867436306
10764472660
11362585696
1219402b1b0
13c24c40b3
147375bca0
15471aa640
hex2d90ed54

764472660 has 96 divisors (see below), whose sum is σ = 2590237440. Its totient is φ = 164456448.

The previous prime is 764472659. The next prime is 764472671. The reversal of 764472660 is 66274467.

764472660 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46395 + ... + 60674.

It is an arithmetic number, because the mean of its divisors is an integer number (26981640).

Almost surely, 2764472660 is an apocalyptic number.

764472660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

764472660 is an abundant number, since it is smaller than the sum of its proper divisors (1825764780).

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

764472660 is a wasteful number, since it uses less digits than its factorization.

764472660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107105 (or 107103 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 764472660 is about 27649.0987194881. The cubic root of 764472660 is about 914.3672295020.

The spelling of 764472660 in words is "seven hundred sixty-four million, four hundred seventy-two thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 107069 214138 321207 428276 535345 642414 749483 1070690 1284828 1498966 1606035 1820173 2141380 2248449 2997932 3212070 3640346 3747415 4496898 5460519 6424140 7280692 7494830 8993796 9100865 10921038 11242245 12741211 14989660 18201730 21842076 22484490 25482422 27302595 36403460 38223633 44968980 50964844 54605190 63706055 76447266 109210380 127412110 152894532 191118165 254824220 382236330 764472660