Search a number
-
+
68825573 = 499137927
BaseRepresentation
bin1000001101000…
…11000111100101
311210111200221022
410012203013211
5120104404243
610455100525
71464002435
oct406430745
9153450838
1068825573
1135939743
121b071745
131134a0bb
1491d82c5
156097b68
hex41a31e5

68825573 has 4 divisors (see below), whose sum is σ = 68964000. Its totient is φ = 68687148.

The previous prime is 68825567. The next prime is 68825597. The reversal of 68825573 is 37552886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68825573 - 210 = 68824549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68825563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68465 + ... + 69462.

It is an arithmetic number, because the mean of its divisors is an integer number (17241000).

Almost surely, 268825573 is an apocalyptic number.

It is an amenable number.

68825573 is a deficient number, since it is larger than the sum of its proper divisors (138427).

68825573 is a wasteful number, since it uses less digits than its factorization.

68825573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138426.

The product of its digits is 403200, while the sum is 44.

The square root of 68825573 is about 8296.1179475704. The cubic root of 68825573 is about 409.8106859485.

The spelling of 68825573 in words is "sixty-eight million, eight hundred twenty-five thousand, five hundred seventy-three".

Divisors: 1 499 137927 68825573