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245200071 = 3349234193
BaseRepresentation
bin11101001110101…
…11010011000111
3122002101110021010
432213113103013
51000232400241
640155253303
76035111004
oct1647272307
9562343233
10245200071
11116455496
126a14a233
133ba519cc
14247ca8ab
15167d6d16
hexe9d74c7

245200071 has 8 divisors (see below), whose sum is σ = 327871600. Its totient is φ = 162997632.

The previous prime is 245200069. The next prime is 245200091. The reversal of 245200071 is 170002542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245200071 - 21 = 245200069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245200001) 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 7 ways as a sum of consecutive naturals, for example, 116050 + ... + 118143.

It is an arithmetic number, because the mean of its divisors is an integer number (40983950).

Almost surely, 2245200071 is an apocalyptic number.

245200071 is a deficient number, since it is larger than the sum of its proper divisors (82671529).

245200071 is a wasteful number, since it uses less digits than its factorization.

245200071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234545.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 245200071 is about 15658.8655719372. The cubic root of 245200071 is about 625.9027560094.

The spelling of 245200071 in words is "two hundred forty-five million, two hundred thousand, seventy-one".

Divisors: 1 3 349 1047 234193 702579 81733357 245200071