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225654970 = 25435091031
BaseRepresentation
bin11010111001100…
…11100010111010
3120201121110102111
431130303202322
5430231424340
634220322534
75410015132
oct1534634272
9521543374
10225654970
11106415a12
12636a344a
133799a668
1421d7dac2
1514c25aea
hexd7338ba

225654970 has 32 divisors (see below), whose sum is σ = 416845440. Its totient is φ = 87904320.

The previous prime is 225654959. The next prime is 225655051. The reversal of 225654970 is 79456522.

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, 218355 + ... + 219385.

It is an arithmetic number, because the mean of its divisors is an integer number (13026420).

Almost surely, 2225654970 is an apocalyptic number.

225654970 is a deficient number, since it is larger than the sum of its proper divisors (191190470).

225654970 is a wasteful number, since it uses less digits than its factorization.

225654970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 225654970 is about 15021.8164680574. The cubic root of 225654970 is about 608.8097996509.

The spelling of 225654970 in words is "two hundred twenty-five million, six hundred fifty-four thousand, nine hundred seventy".

Divisors: 1 2 5 10 43 86 215 430 509 1018 1031 2062 2545 5090 5155 10310 21887 43774 44333 88666 109435 218870 221665 443330 524779 1049558 2623895 5247790 22565497 45130994 112827485 225654970