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1420074007 = 11129097637
BaseRepresentation
bin101010010100100…
…1001110000010111
310122222010020022121
41110221021300113
510402014332012
6352525040411
750122300312
oct12451116027
93588106277
101420074007
1166965a690
123376b6107
131982897a1
14d6859979
1584a0ca07
hex54a49c17

1420074007 has 4 divisors (see below), whose sum is σ = 1549171656. Its totient is φ = 1290976360.

The previous prime is 1420073989. The next prime is 1420074067. The reversal of 1420074007 is 7004700241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420074007 is a prime.

It is a super-2 number, since 2×14200740072 = 4033220370714072098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420074067) 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, 64548808 + ... + 64548829.

It is an arithmetic number, because the mean of its divisors is an integer number (387292914).

Almost surely, 21420074007 is an apocalyptic number.

1420074007 is a deficient number, since it is larger than the sum of its proper divisors (129097649).

1420074007 is a wasteful number, since it uses less digits than its factorization.

1420074007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129097648.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1420074007 is about 37683.8693209707. The cubic root of 1420074007 is about 1124.0103908459.

Adding to 1420074007 its reverse (7004700241), we get a palindrome (8424774248).

The spelling of 1420074007 in words is "one billion, four hundred twenty million, seventy-four thousand, seven".

Divisors: 1 11 129097637 1420074007