Search a number
-
+
68992700 = 2252798561
BaseRepresentation
bin1000001110010…
…11111010111100
311210211012012012
410013023322330
5120130231300
610502430352
71465266620
oct407137274
9153735165
1068992700
1135a43267
121b1323b8
13113a81aa
14923d180
1560cc435
hex41cbebc

68992700 has 36 divisors (see below), whose sum is σ = 171103632. Its totient is φ = 23654400.

The previous prime is 68992673. The next prime is 68992723. The reversal of 68992700 is 729986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48581 + ... + 49980.

Almost surely, 268992700 is an apocalyptic number.

It is an amenable number.

68992700 is an abundant number, since it is smaller than the sum of its proper divisors (102110932).

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

68992700 is a wasteful number, since it uses less digits than its factorization.

68992700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98582 (or 98575 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 68992700 is about 8306.1844429317. The cubic root of 68992700 is about 410.1421280005.

The spelling of 68992700 in words is "sixty-eight million, nine hundred ninety-two thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 98561 197122 394244 492805 689927 985610 1379854 1971220 2464025 2759708 3449635 4928050 6899270 9856100 13798540 17248175 34496350 68992700