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9945030 = 235331501
BaseRepresentation
bin100101111011…
…111111000110
3200201021000110
4211323333012
510021220110
6553053450
7150350154
oct45737706
920637013
109945030
115682937
1233b7286
1320a2844
14146c3d4
15d16a20
hex97bfc6

9945030 has 16 divisors (see below), whose sum is σ = 23868144. Its totient is φ = 2652000.

The previous prime is 9944953. The next prime is 9945043. The reversal of 9945030 is 305499.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 331501 = 9945030 / (9 + 9 + 4 + 5 + 0 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165721 + ... + 165780.

It is an arithmetic number, because the mean of its divisors is an integer number (1491759).

Almost surely, 29945030 is an apocalyptic number.

9945030 is an abundant number, since it is smaller than the sum of its proper divisors (13923114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9945030 is a wasteful number, since it uses less digits than its factorization.

9945030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331511.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 9945030 is about 3153.5741627557. The cubic root of 9945030 is about 215.0479791967.

The spelling of 9945030 in words is "nine million, nine hundred forty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 331501 663002 994503 1657505 1989006 3315010 4972515 9945030