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1445627023 = 3425942197
BaseRepresentation
bin101011000101010…
…1000010010001111
310201202012110110121
41112022220102033
510430040031043
6355240445411
750552425021
oct12612502217
93652173417
101445627023
11682022a85
12344179867
131a0665609
14d9dcc011
1586da8ded
hex562a848f

1445627023 has 4 divisors (see below), whose sum is σ = 1445703480. Its totient is φ = 1445550568.

The previous prime is 1445627021. The next prime is 1445627033. The reversal of 1445627023 is 3207265441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1445627023 - 21 = 1445627021 is a prime.

It is a super-3 number, since 3×14456270233 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445627023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445627021) 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, 13161 + ... + 55357.

It is an arithmetic number, because the mean of its divisors is an integer number (361425870).

Almost surely, 21445627023 is an apocalyptic number.

1445627023 is a deficient number, since it is larger than the sum of its proper divisors (76457).

1445627023 is an equidigital number, since it uses as much as digits as its factorization.

1445627023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76456.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1445627023 is about 38021.4021703566. The cubic root of 1445627023 is about 1130.7122204908.

The spelling of 1445627023 in words is "one billion, four hundred forty-five million, six hundred twenty-seven thousand, twenty-three".

Divisors: 1 34259 42197 1445627023