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45351321 = 371212917
BaseRepresentation
bin1010110100000…
…0000110011001
310011100002022120
42231000012121
543102220241
64300011453
71060323411
oct255000631
9104302276
1045351321
1123666134
1213230b89
13951b502
146047641
153eac666
hex2b40199

45351321 has 8 divisors (see below), whose sum is σ = 61320384. Its totient is φ = 29808240.

The previous prime is 45351301. The next prime is 45351343. The reversal of 45351321 is 12315354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45351321 - 210 = 45350297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45351291 and 45351300.

It is not an unprimeable number, because it can be changed into a prime (45351301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106246 + ... + 106671.

It is an arithmetic number, because the mean of its divisors is an integer number (7665048).

Almost surely, 245351321 is an apocalyptic number.

It is an amenable number.

45351321 is a deficient number, since it is larger than the sum of its proper divisors (15969063).

45351321 is a wasteful number, since it uses less digits than its factorization.

45351321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212991.

The product of its digits is 1800, while the sum is 24.

The square root of 45351321 is about 6734.3389430589. The cubic root of 45351321 is about 356.6125699924.

Adding to 45351321 its reverse (12315354), we get a palindrome (57666675).

The spelling of 45351321 in words is "forty-five million, three hundred fifty-one thousand, three hundred twenty-one".

Divisors: 1 3 71 213 212917 638751 15117107 45351321