Search a number
-
+
90692771 = 1316974111
BaseRepresentation
bin1010110011111…
…01110010100011
320022122200002112
411121331302203
5141204132041
612555505535
72150606261
oct531756243
9208580075
1090692771
1147214904
12264582ab
1315a35380
14c08b431
157e66deb
hex567dca3

90692771 has 8 divisors (see below), whose sum is σ = 97750464. Its totient is φ = 83646720.

The previous prime is 90692731. The next prime is 90692803. The reversal of 90692771 is 17729609.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90692771 - 210 = 90691747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90692731) 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, 20006 + ... + 24116.

It is an arithmetic number, because the mean of its divisors is an integer number (12218808).

Almost surely, 290692771 is an apocalyptic number.

90692771 is a deficient number, since it is larger than the sum of its proper divisors (7057693).

90692771 is a wasteful number, since it uses less digits than its factorization.

90692771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 90692771 is about 9523.2752244173. The cubic root of 90692771 is about 449.2873840376.

The spelling of 90692771 in words is "ninety million, six hundred ninety-two thousand, seven hundred seventy-one".

Divisors: 1 13 1697 4111 22061 53443 6976367 90692771