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224147007 = 347395321
BaseRepresentation
bin11010101110000…
…11011000111111
3120121202211220000
431113003120333
5424340201012
634124125343
75361134550
oct1527033077
9517684800
10224147007
11105585a67
1263096853
1337590186
1421aaa327
1514a28ddc
hexd5c363f

224147007 has 20 divisors (see below), whose sum is σ = 382671696. Its totient is φ = 128083680.

The previous prime is 224146997. The next prime is 224147039. The reversal of 224147007 is 700741422.

It is a happy number.

It is not a de Polignac number, because 224147007 - 24 = 224146991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224147087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 197094 + ... + 198227.

Almost surely, 2224147007 is an apocalyptic number.

224147007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

224147007 is a deficient number, since it is larger than the sum of its proper divisors (158524689).

224147007 is an equidigital number, since it uses as much as digits as its factorization.

224147007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395340 (or 395331 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 224147007 is about 14971.5399007584. The cubic root of 224147007 is about 607.4506224156.

Adding to 224147007 its reverse (700741422), we get a palindrome (924888429).

The spelling of 224147007 in words is "two hundred twenty-four million, one hundred forty-seven thousand, seven".

Divisors: 1 3 7 9 21 27 63 81 189 567 395321 1185963 2767247 3557889 8301741 10673667 24905223 32021001 74715669 224147007