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29680061 is a prime number
BaseRepresentation
bin111000100111…
…0000110111101
32001211220101112
41301032012331
530044230221
62540051405
7510163535
oct161160675
961756345
1029680061
1115832084
129b33b65
1361c2488
143d284c5
15291415b
hex1c4e1bd

29680061 has 2 divisors, whose sum is σ = 29680062. Its totient is φ = 29680060.

The previous prime is 29680039. The next prime is 29680069. The reversal of 29680061 is 16008692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27772900 + 1907161 = 5270^2 + 1381^2 .

It is a cyclic number.

It is not a de Polignac number, because 29680061 - 210 = 29679037 is a prime.

It is a super-3 number, since 3×296800613 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29680069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14840030 + 14840031.

It is an arithmetic number, because the mean of its divisors is an integer number (14840031).

Almost surely, 229680061 is an apocalyptic number.

It is an amenable number.

29680061 is a deficient number, since it is larger than the sum of its proper divisors (1).

29680061 is an equidigital number, since it uses as much as digits as its factorization.

29680061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 29680061 is about 5447.9409871987. The cubic root of 29680061 is about 309.6147173272.

The spelling of 29680061 in words is "twenty-nine million, six hundred eighty thousand, sixty-one".