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2112208 = 24718859
BaseRepresentation
bin1000000011101011010000
310222022101221
420003223100
51020042313
6113134424
723645020
oct10035320
93868357
102112208
111212a2a
1285a414
1358c537
143cda80
152bac8d
hex203ad0

2112208 has 20 divisors (see below), whose sum is σ = 4677280. Its totient is φ = 905184.

The previous prime is 2112193. The next prime is 2112217. The reversal of 2112208 is 8022112.

It is a super-2 number, since 2×21122082 = 8922845270528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2112191 and 2112200.

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, 9318 + ... + 9541.

It is an arithmetic number, because the mean of its divisors is an integer number (233864).

22112208 is an apocalyptic number.

2112208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2112208 is an abundant number, since it is smaller than the sum of its proper divisors (2565072).

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

2112208 is a wasteful number, since it uses less digits than its factorization.

2112208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874 (or 18868 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2112208 is about 1453.3437308497. The cubic root of 2112208 is about 128.3055849753.

The spelling of 2112208 in words is "two million, one hundred twelve thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 18859 37718 75436 132013 150872 264026 301744 528052 1056104 2112208