[go: up one dir, main page]

Search a number
-
+
67930564 = 221323172
BaseRepresentation
bin1000000110010…
…00100111000100
311201211020012211
410003020213010
5114342234224
610423553204
71453254202
oct403104704
9151736184
1067930564
1135388269
121a8bb804
13110c5900
149044072
155e6c894
hex40c89c4

67930564 has 27 divisors (see below), whose sum is σ = 129133767. Its totient is φ = 31253664.

The previous prime is 67930561. The next prime is 67930571. The reversal of 67930564 is 46503976.

The square root of 67930564 is 8242.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 44116164 + 23814400 = 6642^2 + 4880^2 .

It is a super-2 number, since 2×679305642 = 9229123050716192, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67930561) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 214134 + ... + 214450.

Almost surely, 267930564 is an apocalyptic number.

67930564 is the 8242-nd square number.

It is an amenable number.

67930564 is a deficient number, since it is larger than the sum of its proper divisors (61203203).

67930564 is a wasteful number, since it uses less digits than its factorization.

67930564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The cubic root of 67930564 is about 408.0265345424.

The spelling of 67930564 in words is "sixty-seven million, nine hundred thirty thousand, five hundred sixty-four".

Divisors: 1 2 4 13 26 52 169 317 338 634 676 1268 4121 8242 16484 53573 100489 107146 200978 214292 401956 1306357 2612714 5225428 16982641 33965282 67930564