Search a number
-
+
103049620 = 2255152481
BaseRepresentation
bin1100010010001…
…10100110010100
321011220110111121
412021012212110
5202340041440
614120413324
72360623132
oct611064624
9234813447
10103049620
1153194783
122a617244
131847090b
14d986752
1590a834a
hex6246994

103049620 has 12 divisors (see below), whose sum is σ = 216404244. Its totient is φ = 41219840.

The previous prime is 103049603. The next prime is 103049623. The reversal of 103049620 is 26940301.

It can be written as a sum of positive squares in 2 ways, for example, as 59013124 + 44036496 = 7682^2 + 6636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103049623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2576221 + ... + 2576260.

It is an arithmetic number, because the mean of its divisors is an integer number (18033687).

Almost surely, 2103049620 is an apocalyptic number.

103049620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103049620 is an abundant number, since it is smaller than the sum of its proper divisors (113354624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103049620 is a wasteful number, since it uses less digits than its factorization.

103049620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152490 (or 5152488 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 103049620 is about 10151.3358726820. The cubic root of 103049620 is about 468.8300765124.

Adding to 103049620 its reverse (26940301), we get a palindrome (129989921).

The spelling of 103049620 in words is "one hundred three million, forty-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 5152481 10304962 20609924 25762405 51524810 103049620