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45432321 = 3111376737
BaseRepresentation
bin1010110101001…
…1111000000001
310011111012102120
42231103320001
543112313241
64301434453
71061111514
oct255237001
9104435376
1045432321
1123710a80
121326ba29
13954933c
146068d7b
153ec6666
hex2b53e01

45432321 has 8 divisors (see below), whose sum is σ = 66083424. Its totient is φ = 27534720.

The previous prime is 45432281. The next prime is 45432323. The reversal of 45432321 is 12323454.

45432321 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 45432321 - 27 = 45432193 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45432291 and 45432300.

It is not an unprimeable number, because it can be changed into a prime (45432323) 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, 688336 + ... + 688401.

It is an arithmetic number, because the mean of its divisors is an integer number (8260428).

Almost surely, 245432321 is an apocalyptic number.

It is an amenable number.

45432321 is a deficient number, since it is larger than the sum of its proper divisors (20651103).

45432321 is a wasteful number, since it uses less digits than its factorization.

45432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376751.

The product of its digits is 2880, while the sum is 24.

The square root of 45432321 is about 6740.3502134533. The cubic root of 45432321 is about 356.8247537280.

Adding to 45432321 its reverse (12323454), we get a palindrome (57755775).

It can be divided in two parts, 45432 and 321, that added together give a triangular number (45753 = T302).

The spelling of 45432321 in words is "forty-five million, four hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 3 11 33 1376737 4130211 15144107 45432321