Search a number
-
+
7149103 = 133789167
BaseRepresentation
bin11011010001011000101111
3111110012201121
4123101120233
53312232403
6413121411
7114523603
oct33213057
914405647
107149103
114043255
122489267
131634050
14d41503
159633bd
hex6d162f

7149103 has 16 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 6310656.

The previous prime is 7149097. The next prime is 7149143. The reversal of 7149103 is 3019417.

It is a cyclic number.

It is not a de Polignac number, because 7149103 - 213 = 7140911 is a prime.

It is a super-2 number, since 2×71491032 = 102219347409218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42726 + ... + 42892.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 27149103 is an apocalyptic number.

7149103 is a deficient number, since it is larger than the sum of its proper divisors (894737).

7149103 is a wasteful number, since it uses less digits than its factorization.

7149103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 7149103 is about 2673.7806566732. The cubic root of 7149103 is about 192.6417957916.

The spelling of 7149103 in words is "seven million, one hundred forty-nine thousand, one hundred three".

Divisors: 1 13 37 89 167 481 1157 2171 3293 6179 14863 42809 80327 193219 549931 7149103