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45201071 = 52318641
BaseRepresentation
bin1010110001101…
…1011010101111
310011001110012202
42230123122233
543032413241
64252452115
71056126356
oct254333257
9104043182
1045201071
1123573263
121317a03b
139497cc6
14600899d
153e7cd9b
hex2b1b6af

45201071 has 4 divisors (see below), whose sum is σ = 45214944. Its totient is φ = 45187200.

The previous prime is 45201067. The next prime is 45201077. The reversal of 45201071 is 17010254.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17010254 = 28505127.

It is a cyclic number.

It is not a de Polignac number, because 45201071 - 22 = 45201067 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 (45201077) 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, 911 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (11303736).

Almost surely, 245201071 is an apocalyptic number.

45201071 is a deficient number, since it is larger than the sum of its proper divisors (13873).

45201071 is an equidigital number, since it uses as much as digits as its factorization.

45201071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 45201071 is about 6723.1741759380. The cubic root of 45201071 is about 356.2183123144.

The spelling of 45201071 in words is "forty-five million, two hundred one thousand, seventy-one".

Divisors: 1 5231 8641 45201071