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1022808941 = 71113283233
BaseRepresentation
bin111100111101101…
…101001101101101
32122021121002002122
4330331231031231
54043314341231
6245254202325
734226506160
oct7475551555
92567532078
101022808941
11485392550
122466533a5
13133b94cbb
1499ba7ad7
155ebd977b
hex3cf6d36d

1022808941 has 8 divisors (see below), whose sum is σ = 1275190464. Its totient is φ = 796993920.

The previous prime is 1022808929. The next prime is 1022808953. The reversal of 1022808941 is 1498082201.

It is an interprime number because it is at equal distance from previous prime (1022808929) and next prime (1022808953).

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 1022808941 - 210 = 1022807917 is a prime.

It is a super-2 number, since 2×10228089412 = 2092276259579082962, 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 (1022808041) 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, 6641540 + ... + 6641693.

It is an arithmetic number, because the mean of its divisors is an integer number (159398808).

Almost surely, 21022808941 is an apocalyptic number.

1022808941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022808941 is a deficient number, since it is larger than the sum of its proper divisors (252381523).

1022808941 is a wasteful number, since it uses less digits than its factorization.

1022808941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283251.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 1022808941 is about 31981.3842883638. The cubic root of 1022808941 is about 1007.5458965560.

The spelling of 1022808941 in words is "one billion, twenty-two million, eight hundred eight thousand, nine hundred forty-one".

Divisors: 1 7 11 77 13283233 92982631 146115563 1022808941