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225419250 = 2353742937
BaseRepresentation
bin11010110111110…
…01111111110010
3120201011111002010
431123321333302
5430201404000
634211303350
75405013660
oct1533717762
9521144063
10225419250
11106274901
12635aab56
1337917294
1421d1bc30
1514bcad50
hexd6f9ff2

225419250 has 64 divisors (see below), whose sum is σ = 643039488. Its totient is φ = 51523200.

The previous prime is 225419237. The next prime is 225419261. The reversal of 225419250 is 52914522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16219 + ... + 26718.

It is an arithmetic number, because the mean of its divisors is an integer number (10047492).

Almost surely, 2225419250 is an apocalyptic number.

225419250 is an abundant number, since it is smaller than the sum of its proper divisors (417620238).

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

225419250 is a wasteful number, since it uses less digits than its factorization.

225419250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42964 (or 42954 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 225419250 is about 15013.9684960373. The cubic root of 225419250 is about 608.5977374853.

The spelling of 225419250 in words is "two hundred twenty-five million, four hundred nineteen thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 125 150 175 210 250 350 375 525 750 875 1050 1750 2625 5250 42937 85874 128811 214685 257622 300559 429370 601118 644055 901677 1073425 1288110 1502795 1803354 2146850 3005590 3220275 4508385 5367125 6440550 7513975 9016770 10734250 15027950 16101375 22541925 32202750 37569875 45083850 75139750 112709625 225419250