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225230470 = 25371135387
BaseRepresentation
bin11010110110010…
…11111010000110
3120200210220010021
431123023322012
5430124333340
634203245354
75403266413
oct1533137206
9520726107
10225230470
11106155a93
126351985a
133787c38a
1421cad10a
1514b8ee4a
hexd6cbe86

225230470 has 32 divisors (see below), whose sum is σ = 420134688. Its totient is φ = 86865408.

The previous prime is 225230461. The next prime is 225230471. The reversal of 225230470 is 74032522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225230471) 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, 39117 + ... + 44503.

It is an arithmetic number, because the mean of its divisors is an integer number (13129209).

Almost surely, 2225230470 is an apocalyptic number.

225230470 is a deficient number, since it is larger than the sum of its proper divisors (194904218).

225230470 is a wasteful number, since it uses less digits than its factorization.

225230470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 225230470 is about 15007.6803670654. The cubic root of 225230470 is about 608.4277975946.

Adding to 225230470 its reverse (74032522), we get a palindrome (299262992).

The spelling of 225230470 in words is "two hundred twenty-five million, two hundred thirty thousand, four hundred seventy".

Divisors: 1 2 5 10 37 74 113 185 226 370 565 1130 4181 5387 8362 10774 20905 26935 41810 53870 199319 398638 608731 996595 1217462 1993190 3043655 6087310 22523047 45046094 112615235 225230470