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103213030 = 25291512357
BaseRepresentation
bin1100010011011…
…10011111100110
321012012202122211
412021232133212
5202410304110
614124114034
72362203424
oct611563746
9235182584
10103213030
1153296528
122a69591a
13184ca0cb
14d9ca114
1590db98a
hex626e7e6

103213030 has 32 divisors (see below), whose sum is σ = 193544640. Its totient is φ = 39580800.

The previous prime is 103213009. The next prime is 103213039. The reversal of 103213030 is 30312301.

103213030 = T256 + T257 + ... + T859.

It is a self number, because there is not a number n which added to its sum of digits gives 103213030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42612 + ... + 44968.

It is an arithmetic number, because the mean of its divisors is an integer number (6048270).

Almost surely, 2103213030 is an apocalyptic number.

103213030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103213030 is a deficient number, since it is larger than the sum of its proper divisors (90331610).

103213030 is a wasteful number, since it uses less digits than its factorization.

103213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103213030 is about 10159.3813788045. The cubic root of 103213030 is about 469.0777599846.

Adding to 103213030 its reverse (30312301), we get a palindrome (133525331).

The spelling of 103213030 in words is "one hundred three million, two hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 29 58 145 151 290 302 755 1510 2357 4379 4714 8758 11785 21895 23570 43790 68353 136706 341765 355907 683530 711814 1779535 3559070 10321303 20642606 51606515 103213030