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225197070 = 23571072367
BaseRepresentation
bin11010110110000…
…11110000001110
3120200202012022020
431123003300032
5430122301240
634202431010
75403100140
oct1533036016
9520665266
10225197070
1110613298a
1263502466
133786a107
1421ca0c90
1514b850d0
hexd6c3c0e

225197070 has 32 divisors (see below), whose sum is σ = 617683968. Its totient is φ = 51473568.

The previous prime is 225197057. The next prime is 225197081. The reversal of 225197070 is 70791522.

225197070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535974 + ... + 536393.

It is an arithmetic number, because the mean of its divisors is an integer number (19302624).

Almost surely, 2225197070 is an apocalyptic number.

225197070 is an abundant number, since it is smaller than the sum of its proper divisors (392486898).

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

225197070 is a wasteful number, since it uses less digits than its factorization.

225197070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072384.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 225197070 is about 15006.5675622375. The cubic root of 225197070 is about 608.3977210053.

The spelling of 225197070 in words is "two hundred twenty-five million, one hundred ninety-seven thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1072367 2144734 3217101 5361835 6434202 7506569 10723670 15013138 16085505 22519707 32171010 37532845 45039414 75065690 112598535 225197070