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1020346027 = 2938734721
BaseRepresentation
bin111100110100010…
…011111010101011
32122002221221121121
4330310103322223
54042202033102
6245125320111
734166540521
oct7464237253
92562857547
101020346027
11483a60088
12245866037
13133511c5c
1499726311
155e89eb37
hex3cd13eab

1020346027 has 4 divisors (see below), whose sum is σ = 1020410136. Its totient is φ = 1020281920.

The previous prime is 1020346013. The next prime is 1020346073. The reversal of 1020346027 is 7206430201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7206430201 = 21793307219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1020346027 is a prime.

It is a super-2 number, since 2×10203460272 = 2082212029629369458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020345992 and 1020346010.

It is not an unprimeable number, because it can be changed into a prime (1020346127) 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, 12027 + ... + 46747.

It is an arithmetic number, because the mean of its divisors is an integer number (255102534).

Almost surely, 21020346027 is an apocalyptic number.

1020346027 is a deficient number, since it is larger than the sum of its proper divisors (64109).

1020346027 is an equidigital number, since it uses as much as digits as its factorization.

1020346027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64108.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1020346027 is about 31942.8556487988. The cubic root of 1020346027 is about 1006.7365263103.

Adding to 1020346027 its reverse (7206430201), we get a palindrome (8226776228).

The spelling of 1020346027 in words is "one billion, twenty million, three hundred forty-six thousand, twenty-seven".

Divisors: 1 29387 34721 1020346027