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1023033142 = 2511516571
BaseRepresentation
bin111100111110100…
…011111100110110
32122022000110122101
4330332203330312
54043344030032
6245303052314
734231431625
oct7476437466
92568013571
101023033142
11485525a3a
1224674109a
13133c43071
1499c256bc
155ec30de7
hex3cfa3f36

1023033142 has 4 divisors (see below), whose sum is σ = 1534549716. Its totient is φ = 511516570.

The previous prime is 1023033073. The next prime is 1023033163. The reversal of 1023033142 is 2413303201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2413303201 = 6533695717.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255758284 + ... + 255758287.

It is an arithmetic number, because the mean of its divisors is an integer number (383637429).

Almost surely, 21023033142 is an apocalyptic number.

1023033142 is a deficient number, since it is larger than the sum of its proper divisors (511516574).

1023033142 is an equidigital number, since it uses as much as digits as its factorization.

1023033142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511516573.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1023033142 is about 31984.8892760316. The cubic root of 1023033142 is about 1007.6195096181.

Adding to 1023033142 its reverse (2413303201), we get a palindrome (3436336343).

The spelling of 1023033142 in words is "one billion, twenty-three million, thirty-three thousand, one hundred forty-two".

Divisors: 1 2 511516571 1023033142