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90515127 = 3116325943
BaseRepresentation
bin1010110010100…
…10011010110111
320022022122102010
411121102122313
5141132441002
612552015303
72146236333
oct531223267
9208278363
1090515127
114710339a
1226391533
13159a2561
14c0427c3
157e2e46c
hex56526b7

90515127 has 8 divisors (see below), whose sum is σ = 120795264. Its totient is φ = 60289208.

The previous prime is 90515099. The next prime is 90515153. The reversal of 90515127 is 72151509.

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 90515127 - 211 = 90513079 is a prime.

It is a super-2 number, since 2×905151272 = 16385976431652258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90515094 and 90515103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90515527) 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, 9483 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (15099408).

Almost surely, 290515127 is an apocalyptic number.

90515127 is a deficient number, since it is larger than the sum of its proper divisors (30280137).

90515127 is a wasteful number, since it uses less digits than its factorization.

90515127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27109.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 90515127 is about 9513.9438194683. The cubic root of 90515127 is about 448.9938458456.

The spelling of 90515127 in words is "ninety million, five hundred fifteen thousand, one hundred twenty-seven".

Divisors: 1 3 1163 3489 25943 77829 30171709 90515127