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45242803 = 411103483
BaseRepresentation
bin1010110010010…
…1100110110011
310011010120110101
42230211212303
543040232203
64253413231
71056362134
oct254454663
9104116411
1045242803
11235a1651
121319a217
1394b0cb8
146019c8b
153e8a41d
hex2b259b3

45242803 has 4 divisors (see below), whose sum is σ = 46346328. Its totient is φ = 44139280.

The previous prime is 45242801. The next prime is 45242809. The reversal of 45242803 is 30824254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30824254 = 215412127.

It is a cyclic number.

It is not a de Polignac number, because 45242803 - 21 = 45242801 is a prime.

It is a super-2 number, since 2×452428032 = 4093822446593618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45242801) 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, 551701 + ... + 551782.

It is an arithmetic number, because the mean of its divisors is an integer number (11586582).

Almost surely, 245242803 is an apocalyptic number.

45242803 is a deficient number, since it is larger than the sum of its proper divisors (1103525).

45242803 is a wasteful number, since it uses less digits than its factorization.

45242803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103524.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 45242803 is about 6726.2770534672. The cubic root of 45242803 is about 356.3279050718.

The spelling of 45242803 in words is "forty-five million, two hundred forty-two thousand, eight hundred three".

Divisors: 1 41 1103483 45242803