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224242641 = 3377316253
BaseRepresentation
bin11010101110110…
…10101111010001
3120121221201002000
431113122233101
5424401231031
634130144213
75362013430
oct1527325721
9517851060
10224242641
111056408a7
1263122069
13375c486c
1421ad3117
1514a473e6
hexd5dabd1

224242641 has 32 divisors (see below), whose sum is σ = 384894720. Its totient is φ = 126375552.

The previous prime is 224242619. The next prime is 224242643. The reversal of 224242641 is 146242422.

It is not a de Polignac number, because 224242641 - 29 = 224242129 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (224242643) 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 31 ways as a sum of consecutive naturals, for example, 5671 + ... + 21923.

It is an arithmetic number, because the mean of its divisors is an integer number (12027960).

Almost surely, 2224242641 is an apocalyptic number.

224242641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224242641 is a deficient number, since it is larger than the sum of its proper divisors (160652079).

224242641 is a wasteful number, since it uses less digits than its factorization.

224242641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16342 (or 16336 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 224242641 is about 14974.7334199978. The cubic root of 224242641 is about 607.5370012519.

The spelling of 224242641 in words is "two hundred twenty-four million, two hundred forty-two thousand, six hundred forty-one".

Divisors: 1 3 7 9 21 27 63 73 189 219 511 657 1533 1971 4599 13797 16253 48759 113771 146277 341313 438831 1023939 1186469 3071817 3559407 8305283 10678221 24915849 32034663 74747547 224242641