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103020201 = 333815563
BaseRepresentation
bin1100010001111…
…11011010101001
321011211222011000
412020333122221
5202333121301
614120025213
72360441304
oct610773251
9234758130
10103020201
1153174669
122a602209
13184603cb
14d979b3b
15909e786
hex623f6a9

103020201 has 8 divisors (see below), whose sum is σ = 152622560. Its totient is φ = 68680116.

The previous prime is 103020157. The next prime is 103020227. The reversal of 103020201 is 102020301.

It is a happy number.

It is not a de Polignac number, because 103020201 - 210 = 103019177 is a prime.

It is a super-2 number, since 2×1030202012 = 21226323628160802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103020271) 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, 1907755 + ... + 1907808.

It is an arithmetic number, because the mean of its divisors is an integer number (19077820).

Almost surely, 2103020201 is an apocalyptic number.

It is an amenable number.

103020201 is a deficient number, since it is larger than the sum of its proper divisors (49602359).

103020201 is an equidigital number, since it uses as much as digits as its factorization.

103020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815572 (or 3815566 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 103020201 is about 10149.8867481367. The cubic root of 103020201 is about 468.7854577978.

Adding to 103020201 its reverse (102020301), we get a palindrome (205040502).

The spelling of 103020201 in words is "one hundred three million, twenty thousand, two hundred one".

Divisors: 1 3 9 27 3815563 11446689 34340067 103020201