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223745401 = 11371015443
BaseRepresentation
bin11010101011000…
…01010101111001
3120121000102222201
431111201111321
5424234323101
634111350201
75354542645
oct1525412571
9517012881
10223745401
11105331260
1262b22361
133747c439
1421a03c25
1514999e01
hexd561579

223745401 has 16 divisors (see below), whose sum is σ = 253211328. Its totient is φ = 195912000.

The previous prime is 223745399. The next prime is 223745429. The reversal of 223745401 is 104547322.

It is a cyclic number.

It is not a de Polignac number, because 223745401 - 21 = 223745399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223745401.

It is not an unprimeable number, because it can be changed into a prime (223745441) 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, 38386 + ... + 43828.

It is an arithmetic number, because the mean of its divisors is an integer number (15825708).

Almost surely, 2223745401 is an apocalyptic number.

It is an amenable number.

223745401 is a deficient number, since it is larger than the sum of its proper divisors (29465927).

223745401 is a wasteful number, since it uses less digits than its factorization.

223745401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 223745401 is about 14958.1215732458. The cubic root of 223745401 is about 607.0876141347.

The spelling of 223745401 in words is "two hundred twenty-three million, seven hundred forty-five thousand, four hundred one".

Divisors: 1 11 37 101 407 1111 3737 5443 41107 59873 201391 549743 2215301 6047173 20340491 223745401