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103444133 = 13172347433
BaseRepresentation
bin1100010101001…
…10111010100101
321012122111200012
412022212322211
5202440203013
614133100005
72364155252
oct612467245
9235574605
10103444133
1153434121
122a787605
131857b360
14da4a429
1591351a8
hex62a6ea5

103444133 has 32 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 83939328.

The previous prime is 103444129. The next prime is 103444153. The reversal of 103444133 is 331444301.

It is not a de Polignac number, because 103444133 - 22 = 103444129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103444099 and 103444108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103444123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238685 + ... + 239117.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 2103444133 is an apocalyptic number.

103444133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103444133 is a deficient number, since it is larger than the sum of its proper divisors (22547803).

103444133 is a wasteful number, since it uses less digits than its factorization.

103444133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 103444133 is about 10170.7488908143. The cubic root of 103444133 is about 469.4276010478.

Adding to 103444133 its reverse (331444301), we get a palindrome (434888434).

The spelling of 103444133 in words is "one hundred three million, four hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 13 17 23 47 221 299 391 433 611 799 1081 5083 5629 7361 9959 10387 14053 18377 20351 95693 129467 169303 238901 264563 345967 468073 2200939 4497571 6084949 7957241 103444133