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245000542 = 2122500271
BaseRepresentation
bin11101001101001…
…10100101011110
3122002000022120011
432212212211132
51000210004132
640151113434
76033320203
oct1646464536
9562008504
10245000542
11116329596
126a07287a
133b9b1c47
1424777caa
1516797b47
hexe9a695e

245000542 has 4 divisors (see below), whose sum is σ = 367500816. Its totient is φ = 122500270.

The previous prime is 245000537. The next prime is 245000557.

245000542 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61250134 + ... + 61250137.

It is an arithmetic number, because the mean of its divisors is an integer number (91875204).

Almost surely, 2245000542 is an apocalyptic number.

245000542 is a deficient number, since it is larger than the sum of its proper divisors (122500274).

245000542 is a wasteful number, since it uses less digits than its factorization.

245000542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122500273.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 245000542 is about 15652.4931560439. The cubic root of 245000542 is about 625.7329359917.

It can be divided in two parts, 245000 and 542, that added together give a palindrome (245542).

The spelling of 245000542 in words is "two hundred forty-five million, five hundred forty-two", and thus it is an aban number.

Divisors: 1 2 122500271 245000542