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2208142 = 21958109
BaseRepresentation
bin1000011011000110001110
311011012000001
420123012032
51031130032
6115154514
724524506
oct10330616
94135001
102208142
111279012
128a5a3a
135c40c1
14416a06
152d93e7
hex21b18e

2208142 has 8 divisors (see below), whose sum is σ = 3486600. Its totient is φ = 1045944.

The previous prime is 2208131. The next prime is 2208203. The reversal of 2208142 is 2418022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29017 + ... + 29092.

It is an arithmetic number, because the mean of its divisors is an integer number (435825).

22208142 is an apocalyptic number.

2208142 is a deficient number, since it is larger than the sum of its proper divisors (1278458).

2208142 is a wasteful number, since it uses less digits than its factorization.

2208142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58130.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2208142 is about 1485.9818303061. The cubic root of 2208142 is about 130.2193928498.

The spelling of 2208142 in words is "two million, two hundred eight thousand, one hundred forty-two".

Divisors: 1 2 19 38 58109 116218 1104071 2208142