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225020103 = 3721131672
BaseRepresentation
bin11010110100110…
…00100011000111
3120200102012112220
431122120203013
5430101120403
634154543423
75401432200
oct1532304307
9520365486
10225020103
11106021a30
1263437b73
13378076b9
1421c565a7
1514b4c953
hexd6988c7

225020103 has 72 divisors (see below), whose sum is σ = 398974464. Its totient is φ = 111434400.

The previous prime is 225020099. The next prime is 225020113. The reversal of 225020103 is 301020522.

225020103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225020103 - 22 = 225020099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225020113) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3358476 + ... + 3358542.

It is an arithmetic number, because the mean of its divisors is an integer number (5541312).

Almost surely, 2225020103 is an apocalyptic number.

225020103 is a deficient number, since it is larger than the sum of its proper divisors (173954361).

225020103 is a wasteful number, since it uses less digits than its factorization.

225020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 225020103 is about 15000.6700850329. The cubic root of 225020103 is about 608.2383131670.

Adding to 225020103 its reverse (301020522), we get a palindrome (526040625).

The spelling of 225020103 in words is "two hundred twenty-five million, twenty thousand, one hundred three".

Divisors: 1 3 7 11 21 31 33 49 67 77 93 147 201 217 231 341 469 539 651 737 1023 1407 1519 1617 2077 2211 2387 3283 4489 4557 5159 6231 7161 9849 13467 14539 15477 16709 22847 31423 36113 43617 49379 50127 68541 94269 101773 108339 139159 148137 159929 219961 305319 345653 417477 479787 659883 974113 1036959 1119503 1530749 2419571 2922339 3358509 4592247 6818791 7258713 10715243 20456373 32145729 75006701 225020103