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155412134 = 21910140493
BaseRepresentation
bin10010100001101…
…10011010100110
3101211102202100222
421100312122212
5304241142014
623231004342
73564660413
oct1120663246
9354382328
10155412134
117a7a9489
12440696b2
1326275457
14168d710a
15d99d08e
hex94366a6

155412134 has 16 divisors (see below), whose sum is σ = 247823280. Its totient is φ = 72885600.

The previous prime is 155412107. The next prime is 155412137. The reversal of 155412134 is 431214551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155412137) 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 7 ways as a sum of consecutive naturals, for example, 16409 + ... + 24084.

It is an arithmetic number, because the mean of its divisors is an integer number (15488955).

Almost surely, 2155412134 is an apocalyptic number.

155412134 is a deficient number, since it is larger than the sum of its proper divisors (92411146).

155412134 is a wasteful number, since it uses less digits than its factorization.

155412134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40615.

The product of its digits is 2400, while the sum is 26.

The square root of 155412134 is about 12466.4403098880. The cubic root of 155412134 is about 537.6442118181.

Adding to 155412134 its reverse (431214551), we get a palindrome (586626685).

The spelling of 155412134 in words is "one hundred fifty-five million, four hundred twelve thousand, one hundred thirty-four".

Divisors: 1 2 19 38 101 202 1919 3838 40493 80986 769367 1538734 4089793 8179586 77706067 155412134