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224145201 = 37103173599
BaseRepresentation
bin11010101110000…
…10111100110001
3120121202202102010
431113002330301
5424340121301
634124113133
75361126360
oct1527027461
9517682363
10224145201
11105584675
12630957a9
133758c3c7
1421aa97d7
1514a285d6
hexd5c2f31

224145201 has 32 divisors (see below), whose sum is σ = 347443200. Its totient is φ = 125895744.

The previous prime is 224145191. The next prime is 224145203. The reversal of 224145201 is 102541422.

It is not a de Polignac number, because 224145201 - 26 = 224145137 is a prime.

It is a super-2 number, since 2×2241452012 = 100482142262660802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (224145203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373900 + ... + 374498.

It is an arithmetic number, because the mean of its divisors is an integer number (10857600).

Almost surely, 2224145201 is an apocalyptic number.

224145201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224145201 is a deficient number, since it is larger than the sum of its proper divisors (123297999).

224145201 is a wasteful number, since it uses less digits than its factorization.

224145201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 224145201 is about 14971.4795861999. The cubic root of 224145201 is about 607.4489909584.

Adding to 224145201 its reverse (102541422), we get a palindrome (326686623).

The spelling of 224145201 in words is "two hundred twenty-four million, one hundred forty-five thousand, two hundred one".

Divisors: 1 3 7 21 103 173 309 519 599 721 1211 1797 2163 3633 4193 12579 17819 53457 61697 103627 124733 185091 310881 374199 431879 725389 1295637 2176167 10673581 32020743 74715067 224145201