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103022021 = 313838677
BaseRepresentation
bin1100010001111…
…11110111000101
321011212001122102
412020333313011
5202333201041
614120041445
72360446514
oct610776705
9234761572
10103022021
1153175a73
122a603285
131846119b
14d97a67b
1590a009b
hex623fdc5

103022021 has 8 divisors (see below), whose sum is σ = 106635264. Its totient is φ = 99426960.

The previous prime is 103022011. The next prime is 103022033. The reversal of 103022021 is 120220301.

It is a happy number.

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 103022021 - 210 = 103020997 is a prime.

It is a super-2 number, since 2×1030220212 = 21227073621848882, 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 = 103021993 and 103022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103022011) 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, 7535 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (13329408).

Almost surely, 2103022021 is an apocalyptic number.

It is an amenable number.

103022021 is a deficient number, since it is larger than the sum of its proper divisors (3613243).

103022021 is an equidigital number, since it uses as much as digits as its factorization.

103022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 103022021 is about 10149.9764039135. The cubic root of 103022021 is about 468.7882183713.

Adding to 103022021 its reverse (120220301), we get a palindrome (223242322).

The spelling of 103022021 in words is "one hundred three million, twenty-two thousand, twenty-one".

Divisors: 1 31 383 8677 11873 268987 3323291 103022021