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90586442 = 2253917839
BaseRepresentation
bin1010110011000…
…11110101001010
320022110021020102
411121203311022
5141142231232
612553325402
72146654262
oct531436512
9208407212
1090586442
1147151a31
1226406862
13159c8b5b
14c0607a2
157e45662
hex5663d4a

90586442 has 8 divisors (see below), whose sum is σ = 135940800. Its totient is φ = 45272844.

The previous prime is 90586411. The next prime is 90586451. The reversal of 90586442 is 24468509.

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

It is a junction number, because it is equal to n+sod(n) for n = 90586396 and 90586405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 13997.

It is an arithmetic number, because the mean of its divisors is an integer number (16992600).

Almost surely, 290586442 is an apocalyptic number.

90586442 is a deficient number, since it is larger than the sum of its proper divisors (45354358).

90586442 is a wasteful number, since it uses less digits than its factorization.

90586442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 90586442 is about 9517.6910014982. The cubic root of 90586442 is about 449.1117325517. Note that the first 3 decimals are identical.

The spelling of 90586442 in words is "ninety million, five hundred eighty-six thousand, four hundred forty-two".

Divisors: 1 2 2539 5078 17839 35678 45293221 90586442