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225904074 = 231110133889
BaseRepresentation
bin11010111011100…
…00010111001010
3120202002010010120
431131300113022
5430312412244
634225524110
75412103314
oct1535602712
9522063116
10225904074
11106576090
12637a3636
1337a56b66
14220067b4
1514c74819
hexd7705ca

225904074 has 32 divisors (see below), whose sum is σ = 497776320. Its totient is φ = 67776000.

The previous prime is 225904057. The next prime is 225904079. The reversal of 225904074 is 470409522.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (225904079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10279 + ... + 23610.

It is an arithmetic number, because the mean of its divisors is an integer number (15555510).

Almost surely, 2225904074 is an apocalyptic number.

225904074 is an abundant number, since it is smaller than the sum of its proper divisors (271872246).

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

225904074 is a wasteful number, since it uses less digits than its factorization.

225904074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34006.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 225904074 is about 15030.1055884515. The cubic root of 225904074 is about 609.0337421076.

The spelling of 225904074 in words is "two hundred twenty-five million, nine hundred four thousand, seventy-four".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 606 1111 2222 3333 6666 33889 67778 101667 203334 372779 745558 1118337 2236674 3422789 6845578 10268367 20536734 37650679 75301358 112952037 225904074