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453250213 = 13235925693
BaseRepresentation
bin11011000001000…
…000110010100101
31011120212111101221
4123001000302211
51412013001323
6112550420341
714142364123
oct3301006245
91146774357
10453250213
11212936659
121079616b1
1372b971c0
14442a6913
1529bd155d
hex1b040ca5

453250213 has 16 divisors (see below), whose sum is σ = 517991040. Its totient is φ = 393395904.

The previous prime is 453250201. The next prime is 453250241. The reversal of 453250213 is 312052354.

It is a cyclic number.

It is not a de Polignac number, because 453250213 - 213 = 453242021 is a prime.

It is a super-3 number, since 3×4532502133 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453250283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4795 + ... + 30487.

It is an arithmetic number, because the mean of its divisors is an integer number (32374440).

Almost surely, 2453250213 is an apocalyptic number.

It is an amenable number.

453250213 is a deficient number, since it is larger than the sum of its proper divisors (64740827).

453250213 is a wasteful number, since it uses less digits than its factorization.

453250213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25788.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 453250213 is about 21289.6738584695. The cubic root of 453250213 is about 768.1499482289.

It can be divided in two parts, 4532 and 50213, that added together give a palindrome (54745).

The spelling of 453250213 in words is "four hundred fifty-three million, two hundred fifty thousand, two hundred thirteen".

Divisors: 1 13 23 59 299 767 1357 17641 25693 334009 590939 1515887 7682207 19706531 34865401 453250213