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15550148 = 2229134053
BaseRepresentation
bin111011010100…
…011011000100
31002021000210102
4323110123010
512440101043
61313143232
7246113465
oct73243304
932230712
1015550148
118861069
12525ab18
1332b5b93
1420cad6c
1515726b8
hexed46c4

15550148 has 12 divisors (see below), whose sum is σ = 28151340. Its totient is φ = 7506912.

The previous prime is 15550141. The next prime is 15550159. The reversal of 15550148 is 84105551.

15550148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4804864 + 10745284 = 2192^2 + 3278^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 15550148.

It is not an unprimeable number, because it can be changed into a prime (15550141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66911 + ... + 67142.

It is an arithmetic number, because the mean of its divisors is an integer number (2345945).

Almost surely, 215550148 is an apocalyptic number.

It is an amenable number.

15550148 is a deficient number, since it is larger than the sum of its proper divisors (12601192).

15550148 is a wasteful number, since it uses less digits than its factorization.

15550148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134086 (or 134084 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 15550148 is about 3943.3675963572. The cubic root of 15550148 is about 249.6001501547.

Adding to 15550148 its reverse (84105551), we get a palindrome (99655699).

The spelling of 15550148 in words is "fifteen million, five hundred fifty thousand, one hundred forty-eight".

Divisors: 1 2 4 29 58 116 134053 268106 536212 3887537 7775074 15550148