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1042893593 = 7148984799
BaseRepresentation
bin111110001010010…
…100101100011001
32200200101111001122
4332022110230121
54113440043333
6251252455025
734562310050
oct7612245431
92620344048
101042893593
11495760435
1225131a475
131380a7b01
149c715397
1561855798
hex3e294b19

1042893593 has 4 divisors (see below), whose sum is σ = 1191878400. Its totient is φ = 893908788.

The previous prime is 1042893571. The next prime is 1042893629. The reversal of 1042893593 is 3953982401.

1042893593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3953982401 = 37331059197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042893593 is a prime.

It is a super-3 number, since 3×10428935933 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042893503) 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, 74492393 + ... + 74492406.

It is an arithmetic number, because the mean of its divisors is an integer number (297969600).

Almost surely, 21042893593 is an apocalyptic number.

It is an amenable number.

1042893593 is a deficient number, since it is larger than the sum of its proper divisors (148984807).

1042893593 is an equidigital number, since it uses as much as digits as its factorization.

1042893593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148984806.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1042893593 is about 32293.8630857319. The cubic root of 1042893593 is about 1014.0981718405.

The spelling of 1042893593 in words is "one billion, forty-two million, eight hundred ninety-three thousand, five hundred ninety-three".

Divisors: 1 7 148984799 1042893593