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201628230 = 2356720941
BaseRepresentation
bin11000000010010…
…01101001000110
3112001101202221020
430001021221012
5403104100410
632001332010
74665545256
oct1401115106
9461352836
10201628230
11a38a5301
1257637006
1332a0745b
141cac7966
1512a7ba70
hexc049a46

201628230 has 16 divisors (see below), whose sum is σ = 483907824. Its totient is φ = 53767520.

The previous prime is 201628223. The next prime is 201628237. The reversal of 201628230 is 32826102.

201628230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201628223) and next prime (201628237).

It is a self number, because there is not a number n which added to its sum of digits gives 201628230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201628237) 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, 3360441 + ... + 3360500.

It is an arithmetic number, because the mean of its divisors is an integer number (30244239).

Almost surely, 2201628230 is an apocalyptic number.

201628230 is an abundant number, since it is smaller than the sum of its proper divisors (282279594).

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

201628230 is a wasteful number, since it uses less digits than its factorization.

201628230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720951.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 201628230 is about 14199.5855573323. The cubic root of 201628230 is about 586.3862515055.

The spelling of 201628230 in words is "two hundred one million, six hundred twenty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6720941 13441882 20162823 33604705 40325646 67209410 100814115 201628230