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90230695 = 518046139
BaseRepresentation
bin1010110000011…
…00111110100111
320021210012020121
411120030332213
5141044340240
612541542411
72143643152
oct530147647
9207705217
1090230695
1146a29725
1226274a07
1315902c59
14bdaac99
157dc504a
hex560cfa7

90230695 has 4 divisors (see below), whose sum is σ = 108276840. Its totient is φ = 72184552.

The previous prime is 90230671. The next prime is 90230731. The reversal of 90230695 is 59603209.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90230695 - 211 = 90228647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90230695.

It is a congruent number.

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, 9023065 + ... + 9023074.

It is an arithmetic number, because the mean of its divisors is an integer number (27069210).

Almost surely, 290230695 is an apocalyptic number.

90230695 is a deficient number, since it is larger than the sum of its proper divisors (18046145).

90230695 is a wasteful number, since it uses less digits than its factorization.

90230695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18046144.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 90230695 is about 9498.9838930277. The cubic root of 90230695 is about 448.5230507987.

The spelling of 90230695 in words is "ninety million, two hundred thirty thousand, six hundred ninety-five".

Divisors: 1 5 18046139 90230695