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45424245 = 3510129983
BaseRepresentation
bin1010110101000…
…1111001110101
310011110210100110
42231101321311
543112033440
64301333233
71061046126
oct255217165
9104423313
1045424245
11237059a9
1213267219
139545769
14606604d
153ec4080
hex2b51e75

45424245 has 16 divisors (see below), whose sum is σ = 73400832. Its totient is φ = 23985600.

The previous prime is 45424243. The next prime is 45424259. The reversal of 45424245 is 54242454.

It is not a de Polignac number, because 45424245 - 21 = 45424243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13477 + ... + 16506.

It is an arithmetic number, because the mean of its divisors is an integer number (4587552).

Almost surely, 245424245 is an apocalyptic number.

It is an amenable number.

45424245 is a deficient number, since it is larger than the sum of its proper divisors (27976587).

45424245 is a wasteful number, since it uses less digits than its factorization.

45424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30092.

The product of its digits is 25600, while the sum is 30.

The square root of 45424245 is about 6739.7511081642. The cubic root of 45424245 is about 356.8036095483.

Adding to 45424245 its reverse (54242454), we get a palindrome (99666699).

The spelling of 45424245 in words is "forty-five million, four hundred twenty-four thousand, two hundred forty-five".

Divisors: 1 3 5 15 101 303 505 1515 29983 89949 149915 449745 3028283 9084849 15141415 45424245