Search a number
-
+
103400225 = 52291271123
BaseRepresentation
bin1100010100111…
…00001100100001
321012120021102222
412022130030201
5202432301400
614132120425
72363613245
oct612341441
9235507388
10103400225
1153404135
122a766115
1318564386
14da38425
159127185
hex629c321

103400225 has 24 divisors (see below), whose sum is σ = 133800960. Its totient is φ = 79168320.

The previous prime is 103400161. The next prime is 103400233. The reversal of 103400225 is 522004301.

It is not a de Polignac number, because 103400225 - 26 = 103400161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91514 + ... + 92636.

It is an arithmetic number, because the mean of its divisors is an integer number (5575040).

Almost surely, 2103400225 is an apocalyptic number.

It is an amenable number.

103400225 is a deficient number, since it is larger than the sum of its proper divisors (30400735).

103400225 is a wasteful number, since it uses less digits than its factorization.

103400225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 103400225 is about 10168.5901185956. The cubic root of 103400225 is about 469.3611737455.

Adding to 103400225 its reverse (522004301), we get a palindrome (625404526).

The spelling of 103400225 in words is "one hundred three million, four hundred thousand, two hundred twenty-five".

Divisors: 1 5 25 29 127 145 635 725 1123 3175 3683 5615 18415 28075 32567 92075 142621 162835 713105 814175 3565525 4136009 20680045 103400225