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90084297 = 345765707
BaseRepresentation
bin1010101111010…
…01001111001001
320021111202102110
411113221033021
5141030144142
612534452533
72142463302
oct527511711
9207452373
1090084297
1146939736
1226204149
1315881424
14bd6d7a9
157d9699c
hex55e93c9

90084297 has 8 divisors (see below), whose sum is σ = 120377056. Its totient is φ = 59923872.

The previous prime is 90084271. The next prime is 90084329. The reversal of 90084297 is 79248009.

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

It is not a de Polignac number, because 90084297 - 220 = 89035721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90084227) 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, 31483 + ... + 34224.

It is an arithmetic number, because the mean of its divisors is an integer number (15047132).

Almost surely, 290084297 is an apocalyptic number.

It is an amenable number.

90084297 is a deficient number, since it is larger than the sum of its proper divisors (30292759).

90084297 is a wasteful number, since it uses less digits than its factorization.

90084297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66167.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 90084297 is about 9491.2747826622. The cubic root of 90084297 is about 448.2803454311.

The spelling of 90084297 in words is "ninety million, eighty-four thousand, two hundred ninety-seven".

Divisors: 1 3 457 1371 65707 197121 30028099 90084297