Search a number
-
+
90923677 = 1312775477
BaseRepresentation
bin1010110101101…
…10001010011101
320100002101211121
411122312022131
5141234024202
613004450541
72152560415
oct532661235
9210071747
1090923677
1147362339
1226549a51
1315ab64c0
14c10b645
157eb0537
hex56b629d

90923677 has 8 divisors (see below), whose sum is σ = 98012376. Its totient is φ = 83848512.

The previous prime is 90923647. The next prime is 90923681. The reversal of 90923677 is 77632909.

It can be written as a sum of positive squares in 4 ways, for example, as 33860761 + 57062916 = 5819^2 + 7554^2 .

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 90923677 - 215 = 90890909 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 (90923647) 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, 13863 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (12251547).

Almost surely, 290923677 is an apocalyptic number.

It is an amenable number.

90923677 is a deficient number, since it is larger than the sum of its proper divisors (7088699).

90923677 is a wasteful number, since it uses less digits than its factorization.

90923677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 90923677 is about 9535.3907628371. The cubic root of 90923677 is about 449.6683597636.

It can be divided in two parts, 9092 and 3677, that added together give a square (12769 = 1132).

The spelling of 90923677 in words is "ninety million, nine hundred twenty-three thousand, six hundred seventy-seven".

Divisors: 1 13 1277 5477 16601 71201 6994129 90923677