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245152201 = 735021743
BaseRepresentation
bin11101001110010…
…11100111001001
3122002022000121011
432213023213021
51000224332301
640154243521
76034521310
oct1647134711
9562260534
10245152201
11116422528
126a1265a1
133ba35c98
14247b7277
15167c7a51
hexe9cb9c9

245152201 has 4 divisors (see below), whose sum is σ = 280173952. Its totient is φ = 210130452.

The previous prime is 245152199. The next prime is 245152207. The reversal of 245152201 is 102251542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102251542 = 251125771.

It is not a de Polignac number, because 245152201 - 21 = 245152199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245152207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17510865 + ... + 17510878.

It is an arithmetic number, because the mean of its divisors is an integer number (70043488).

Almost surely, 2245152201 is an apocalyptic number.

It is an amenable number.

245152201 is a deficient number, since it is larger than the sum of its proper divisors (35021751).

245152201 is an equidigital number, since it uses as much as digits as its factorization.

245152201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35021750.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 245152201 is about 15657.3369702514. The cubic root of 245152201 is about 625.8620220422.

The spelling of 245152201 in words is "two hundred forty-five million, one hundred fifty-two thousand, two hundred one".

Divisors: 1 7 35021743 245152201