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90379551 = 3285110567
BaseRepresentation
bin1010110001100…
…01010100011111
320022001202102210
411120301110133
5141114121201
612545051503
72145133143
oct530612437
9208052383
1090379551
1147020549
1226326b93
1315955932
14c009223
157e041d6
hex563151f

90379551 has 8 divisors (see below), whose sum is σ = 120559744. Its totient is φ = 60226200.

The previous prime is 90379537. The next prime is 90379577. The reversal of 90379551 is 15597309.

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

It is not a de Polignac number, because 90379551 - 29 = 90379039 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 (90379501) 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, 3270 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (15069968).

Almost surely, 290379551 is an apocalyptic number.

90379551 is a deficient number, since it is larger than the sum of its proper divisors (30180193).

90379551 is a wasteful number, since it uses less digits than its factorization.

90379551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13421.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 90379551 is about 9506.8160285134. The cubic root of 90379551 is about 448.7695621291.

The spelling of 90379551 in words is "ninety million, three hundred seventy-nine thousand, five hundred fifty-one".

Divisors: 1 3 2851 8553 10567 31701 30126517 90379551