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103020412 = 22112980737
BaseRepresentation
bin1100010001111…
…11011101111100
321011211222102211
412020333131330
5202333123122
614120030204
72360442025
oct610773574
9234758384
10103020412
1153174840
122a602364
1318460531
14d979c4c
15909e877
hex623f77c

103020412 has 24 divisors (see below), whose sum is σ = 203459760. Its totient is φ = 45212160.

The previous prime is 103020403. The next prime is 103020433. The reversal of 103020412 is 214020301.

It is a super-2 number, since 2×1030204122 = 21226410577299488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103020392 and 103020401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39093 + ... + 41644.

It is an arithmetic number, because the mean of its divisors is an integer number (8477490).

Almost surely, 2103020412 is an apocalyptic number.

It is an amenable number.

103020412 is a deficient number, since it is larger than the sum of its proper divisors (100439348).

103020412 is a wasteful number, since it uses less digits than its factorization.

103020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80781 (or 80779 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 103020412 is about 10149.8971423360. The cubic root of 103020412 is about 468.7857778440.

Adding to 103020412 its reverse (214020301), we get a palindrome (317040713).

The spelling of 103020412 in words is "one hundred three million, twenty thousand, four hundred twelve".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 80737 161474 322948 888107 1776214 2341373 3552428 4682746 9365492 25755103 51510206 103020412