Search a number
-
+
103148444 = 22710933797
BaseRepresentation
bin1100010010111…
…10101110011100
321012002111001202
412021132232130
5202401222234
614122455032
72361514220
oct611365634
9235074052
10103148444
1153251a53
122a664478
13184a68a9
14d9b0780
1590c777e
hex625eb9c

103148444 has 24 divisors (see below), whose sum is σ = 208195680. Its totient is φ = 43799616.

The previous prime is 103148431. The next prime is 103148453. The reversal of 103148444 is 444841301.

It is a happy number.

It is a super-2 number, since 2×1031484442 = 21279202999242272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13847 + ... + 19950.

It is an arithmetic number, because the mean of its divisors is an integer number (8674820).

Almost surely, 2103148444 is an apocalyptic number.

103148444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103148444 is an abundant number, since it is smaller than the sum of its proper divisors (105047236).

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

103148444 is a wasteful number, since it uses less digits than its factorization.

103148444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33917 (or 33915 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 103148444 is about 10156.2022429646. The cubic root of 103148444 is about 468.9798970899.

Adding to 103148444 its reverse (444841301), we get a palindrome (547989745).

The spelling of 103148444 in words is "one hundred three million, one hundred forty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 109 218 436 763 1526 3052 33797 67594 135188 236579 473158 946316 3683873 7367746 14735492 25787111 51574222 103148444