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670463488 = 2919413
BaseRepresentation
bin100111111101100…
…111011000000000
31201201121002000001
4213331213120000
52333114312423
6150310205344
722420563022
oct4775473000
91651532001
10670463488
11314506162
12168653854
13a8b9a376
146508a012
153dcdacad
hex27f67600

670463488 has 80 divisors (see below), whose sum is σ = 1445376240. Its totient is φ = 309841920.

The previous prime is 670463473. The next prime is 670463489. The reversal of 670463488 is 884364076.

670463488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6704634882 = 899042577482252288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670463489) 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, 16352748 + ... + 16352788.

It is an arithmetic number, because the mean of its divisors is an integer number (18067203).

Almost surely, 2670463488 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 670463488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722688120).

670463488 is an abundant number, since it is smaller than the sum of its proper divisors (774912752).

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

670463488 is an frugal number, since it uses more digits than its factorization.

670463488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 670463488 is about 25893.3097150596. The cubic root of 670463488 is about 875.2357407808.

The spelling of 670463488 in words is "six hundred seventy million, four hundred sixty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 19 32 38 41 64 76 82 128 152 164 256 304 328 512 608 656 779 1216 1312 1558 1681 2432 2624 3116 3362 4864 5248 6232 6724 9728 10496 12464 13448 20992 24928 26896 31939 49856 53792 63878 68921 99712 107584 127756 137842 199424 215168 255512 275684 398848 430336 511024 551368 860672 1022048 1102736 1309499 2044096 2205472 2618998 4088192 4410944 5237996 8176384 8821888 10475992 16352768 17643776 20951984 35287552 41903968 83807936 167615872 335231744 670463488