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90367901 = 1361113957
BaseRepresentation
bin1010110001011…
…10011110011101
320022001011110022
411120232132131
5141113233101
612544521525
72145054161
oct530563635
9208034408
1090367901
1147012818
12263202a5
1315950540
14c004ca1
157e00a1b
hex562e79d

90367901 has 8 divisors (see below), whose sum is σ = 98915544. Its totient is φ = 82048320.

The previous prime is 90367859. The next prime is 90367909. The reversal of 90367901 is 10976309.

It can be written as a sum of positive squares in 4 ways, for example, as 1819801 + 88548100 = 1349^2 + 9410^2 .

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 90367901 - 210 = 90366877 is a prime.

It is a super-2 number, since 2×903679012 = 16332715062291602, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90367909) 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, 56186 + ... + 57771.

It is an arithmetic number, because the mean of its divisors is an integer number (12364443).

Almost surely, 290367901 is an apocalyptic number.

It is an amenable number.

90367901 is a deficient number, since it is larger than the sum of its proper divisors (8547643).

90367901 is a wasteful number, since it uses less digits than its factorization.

90367901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114031.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 90367901 is about 9506.2032904835. The cubic root of 90367901 is about 448.7502790428.

The spelling of 90367901 in words is "ninety million, three hundred sixty-seven thousand, nine hundred one".

Divisors: 1 13 61 793 113957 1481441 6951377 90367901