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90234345 = 356015623
BaseRepresentation
bin1010110000011…
…01110111101001
320021210101020210
411120031313221
5141044444340
612542011333
72143656615
oct530156751
9207711223
1090234345
1146a31443
1226276b49
1315904806
14bdac345
157dc6180
hex560dde9

90234345 has 8 divisors (see below), whose sum is σ = 144374976. Its totient is φ = 48124976.

The previous prime is 90234343. The next prime is 90234349. The reversal of 90234345 is 54343209.

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 90234345 - 21 = 90234343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90234343) 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, 3007797 + ... + 3007826.

It is an arithmetic number, because the mean of its divisors is an integer number (18046872).

Almost surely, 290234345 is an apocalyptic number.

It is an amenable number.

90234345 is a deficient number, since it is larger than the sum of its proper divisors (54140631).

90234345 is a wasteful number, since it uses less digits than its factorization.

90234345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015631.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 90234345 is about 9499.1760168975. The cubic root of 90234345 is about 448.5290985820.

The spelling of 90234345 in words is "ninety million, two hundred thirty-four thousand, three hundred forty-five".

Divisors: 1 3 5 15 6015623 18046869 30078115 90234345