Search a number
-
+
1023451045 = 51288915881
BaseRepresentation
bin111101000000001…
…001111110100101
32122022210200220021
4331000021332211
54044000413140
6245320035141
734235122201
oct7500117645
92568720807
101023451045
11485790a11
12246902ab1
1313405b346
1499cd3b01
155ecb4b4a
hex3d009fa5

1023451045 has 8 divisors (see below), whose sum is σ = 1228313880. Its totient is φ = 818645760.

The previous prime is 1023451003. The next prime is 1023451067. The reversal of 1023451045 is 5401543201.

It is a happy number.

1023451045 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 391129729 + 632321316 = 19777^2 + 25146^2 .

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

It is not a de Polignac number, because 1023451045 - 27 = 1023450917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56505 + ... + 72385.

It is an arithmetic number, because the mean of its divisors is an integer number (153539235).

Almost surely, 21023451045 is an apocalyptic number.

It is an amenable number.

1023451045 is a deficient number, since it is larger than the sum of its proper divisors (204862835).

1023451045 is a wasteful number, since it uses less digits than its factorization.

1023451045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1023451045 is about 31991.4214282517. The cubic root of 1023451045 is about 1007.7566931476.

Adding to 1023451045 its reverse (5401543201), we get a palindrome (6424994246).

The spelling of 1023451045 in words is "one billion, twenty-three million, four hundred fifty-one thousand, forty-five".

Divisors: 1 5 12889 15881 64445 79405 204690209 1023451045