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2800230 = 235313011
BaseRepresentation
bin1010101011101001100110
312021021012020
422223221212
51204101410
6140004010
732541636
oct12535146
95237166
102800230
111642944
12b30606
13770754
1452c6c6
153a4a70
hex2aba66

2800230 has 32 divisors (see below), whose sum is σ = 6939648. Its totient is φ = 722400.

The previous prime is 2800219. The next prime is 2800241. The reversal of 2800230 is 320082.

It is an interprime number because it is at equal distance from previous prime (2800219) and next prime (2800241).

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 576 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (216864).

22800230 is an apocalyptic number.

2800230 is an abundant number, since it is smaller than the sum of its proper divisors (4139418).

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

2800230 is a wasteful number, since it uses less digits than its factorization.

2800230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2800230 is about 1673.3887773019. The cubic root of 2800230 is about 140.9498337707.

The spelling of 2800230 in words is "two million, eight hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 3011 6022 9033 15055 18066 30110 45165 90330 93341 186682 280023 466705 560046 933410 1400115 2800230