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1022390039 = 11731273213
BaseRepresentation
bin111100111100000…
…110111100010111
32122020210210110202
4330330012330113
54043212440124
6245241211115
734223112656
oct7474067427
92566723422
101022390039
11485126850
12246490a9b
13133a79428
1499ad919d
155eb555ae
hex3cf06f17

1022390039 has 8 divisors (see below), whose sum is σ = 1130614032. Its totient is φ = 916712640.

The previous prime is 1022390027. The next prime is 1022390069. The reversal of 1022390039 is 9300932201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022390039 - 24 = 1022390023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022389993 and 1022390020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022390069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635804 + ... + 637409.

It is an arithmetic number, because the mean of its divisors is an integer number (141326754).

Almost surely, 21022390039 is an apocalyptic number.

1022390039 is a deficient number, since it is larger than the sum of its proper divisors (108223993).

1022390039 is a wasteful number, since it uses less digits than its factorization.

1022390039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273297.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1022390039 is about 31974.8344639968. The cubic root of 1022390039 is about 1007.4083274860.

The spelling of 1022390039 in words is "one billion, twenty-two million, three hundred ninety thousand, thirty-nine".

Divisors: 1 11 73 803 1273213 14005343 92944549 1022390039