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9148220 = 225457411
BaseRepresentation
bin100010111001…
…011100111100
3122012202222222
4202321130330
54320220340
6524024512
7140521124
oct42713474
918182888
109148220
115189214
123092138
131b83c63
141301c84
15c0a8b5
hex8b973c

9148220 has 12 divisors (see below), whose sum is σ = 19211304. Its totient is φ = 3659280.

The previous prime is 9148199. The next prime is 9148241. The reversal of 9148220 is 228419.

It is an interprime number because it is at equal distance from previous prime (9148199) and next prime (9148241).

It is a self number, because there is not a number n which added to its sum of digits gives 9148220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228686 + ... + 228725.

It is an arithmetic number, because the mean of its divisors is an integer number (1600942).

Almost surely, 29148220 is an apocalyptic number.

It is an amenable number.

9148220 is an abundant number, since it is smaller than the sum of its proper divisors (10063084).

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

9148220 is a wasteful number, since it uses less digits than its factorization.

9148220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457420 (or 457418 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 9148220 is about 3024.6024532160. The cubic root of 9148220 is about 209.1440594675.

The spelling of 9148220 in words is "nine million, one hundred forty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 457411 914822 1829644 2287055 4574110 9148220