Search a number
-
+
1042897745 = 51910977871
BaseRepresentation
bin111110001010010…
…101101101010001
32200200101200202102
4332022111231101
54113440211440
6251252530145
734562325131
oct7612255521
92620350672
101042897745
1149576356a
12251320955
131380a9976
149c716ac1
1561856b15
hex3e295b51

1042897745 has 8 divisors (see below), whose sum is σ = 1317344640. Its totient is φ = 790406640.

The previous prime is 1042897729. The next prime is 1042897769. The reversal of 1042897745 is 5477982401.

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

It is not a de Polignac number, because 1042897745 - 24 = 1042897729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042897745.

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, 5488841 + ... + 5489030.

It is an arithmetic number, because the mean of its divisors is an integer number (164668080).

Almost surely, 21042897745 is an apocalyptic number.

It is an amenable number.

1042897745 is a deficient number, since it is larger than the sum of its proper divisors (274446895).

1042897745 is a wasteful number, since it uses less digits than its factorization.

1042897745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977895.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 1042897745 is about 32293.9273703277. The cubic root of 1042897745 is about 1014.0995176250.

The spelling of 1042897745 in words is "one billion, forty-two million, eight hundred ninety-seven thousand, seven hundred forty-five".

Divisors: 1 5 19 95 10977871 54889355 208579549 1042897745