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155434134 = 23208912401
BaseRepresentation
bin10010100001110…
…11110010010110
3101211110212112210
421100323302112
5304242343014
623231254250
73565111512
oct1120736226
9354425483
10155434134
117a813a69
124407a386
132628247b
1416901142
15d9a4859
hex943bc96

155434134 has 16 divisors (see below), whose sum is σ = 311042160. Its totient is φ = 51782400.

The previous prime is 155434133. The next prime is 155434141. The reversal of 155434134 is 431434551.

155434134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155434133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6334 + ... + 18734.

It is an arithmetic number, because the mean of its divisors is an integer number (19440135).

Almost surely, 2155434134 is an apocalyptic number.

155434134 is an abundant number, since it is smaller than the sum of its proper divisors (155608026).

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

155434134 is a wasteful number, since it uses less digits than its factorization.

155434134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14495.

The product of its digits is 14400, while the sum is 30.

The square root of 155434134 is about 12467.3226476257. The cubic root of 155434134 is about 537.6695800960.

Adding to 155434134 its reverse (431434551), we get a palindrome (586868685).

The spelling of 155434134 in words is "one hundred fifty-five million, four hundred thirty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 2089 4178 6267 12401 12534 24802 37203 74406 25905689 51811378 77717067 155434134