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134211554 = 21916721149
BaseRepresentation
bin1111111111111…
…10011111100010
3100100112122122022
413333332133202
5233324232204
621152341442
73216531221
oct777763742
9310478568
10134211554
1169839144
1238b44882
1321a61729
1413b78cb8
15bbb15be
hex7ffe7e2

134211554 has 16 divisors (see below), whose sum is σ = 213192000. Its totient is φ = 63190224.

The previous prime is 134211541. The next prime is 134211559. The reversal of 134211554 is 455112431.

It is not an unprimeable number, because it can be changed into a prime (134211559) 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, 4229 + ... + 16920.

It is an arithmetic number, because the mean of its divisors is an integer number (13324500).

Almost surely, 2134211554 is an apocalyptic number.

134211554 is a deficient number, since it is larger than the sum of its proper divisors (78980446).

134211554 is a wasteful number, since it uses less digits than its factorization.

134211554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21337.

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

The square root of 134211554 is about 11584.9710401019. The cubic root of 134211554 is about 511.9921492326.

Adding to 134211554 its reverse (455112431), we get a palindrome (589323985).

The spelling of 134211554 in words is "one hundred thirty-four million, two hundred eleven thousand, five hundred fifty-four".

Divisors: 1 2 19 38 167 334 3173 6346 21149 42298 401831 803662 3531883 7063766 67105777 134211554