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1023202042 = 2643795647
BaseRepresentation
bin111100111111001…
…101001011111010
32122022100001022221
4330333031023322
54043414431132
6245310434254
734233034222
oct7477151372
92568301287
101023202042
11485630925
1224680298a
13133ca1bc5
1499c6b082
155ec65e97
hex3cfcd2fa

1023202042 has 8 divisors (see below), whose sum is σ = 1537191936. Its totient is φ = 510804732.

The previous prime is 1023202031. The next prime is 1023202049. The reversal of 1023202042 is 2402023201.

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

It is not an unprimeable number, because it can be changed into a prime (1023202049) 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, 396538 + ... + 399109.

It is an arithmetic number, because the mean of its divisors is an integer number (192148992).

Almost surely, 21023202042 is an apocalyptic number.

1023202042 is a deficient number, since it is larger than the sum of its proper divisors (513989894).

1023202042 is an equidigital number, since it uses as much as digits as its factorization.

1023202042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796292.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1023202042 is about 31987.5294763444. The cubic root of 1023202042 is about 1007.6749583171.

Adding to 1023202042 its reverse (2402023201), we get a palindrome (3425225243).

The spelling of 1023202042 in words is "one billion, twenty-three million, two hundred two thousand, forty-two".

Divisors: 1 2 643 1286 795647 1591294 511601021 1023202042