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2245200 = 243521871
BaseRepresentation
bin1000100100001001010000
311020001211120
420210021100
51033321300
6120042240
725040526
oct10441120
94201746
102245200
1112a3941
12903380
13607c29
14426316
152e53a0
hex224250

2245200 has 60 divisors (see below), whose sum is σ = 7195968. Its totient is φ = 598400.

The previous prime is 2245189. The next prime is 2245223. The reversal of 2245200 is 25422.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2245200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265 + ... + 2135.

22245200 is an apocalyptic number.

2245200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597984).

2245200 is an abundant number, since it is smaller than the sum of its proper divisors (4950768).

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

2245200 is a wasteful number, since it uses less digits than its factorization.

2245200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2245200 is about 1498.3991457552. The cubic root of 2245200 is about 130.9438214529.

The spelling of 2245200 in words is "two million, two hundred forty-five thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 1871 3742 5613 7484 9355 11226 14968 18710 22452 28065 29936 37420 44904 46775 56130 74840 89808 93550 112260 140325 149680 187100 224520 280650 374200 449040 561300 748400 1122600 2245200