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29255957 is a prime number
BaseRepresentation
bin110111110011…
…0100100010101
32001001100121222
41233212210111
524442142312
62523020125
7503446223
oct157464425
961040558
1029255957
1115572485
12996a645
1360a4423
143c57b13
15287d672
hex1be6915

29255957 has 2 divisors, whose sum is σ = 29255958. Its totient is φ = 29255956.

The previous prime is 29255911. The next prime is 29255959. The reversal of 29255957 is 75955292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18438436 + 10817521 = 4294^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 29255957 - 210 = 29254933 is a prime.

It is a super-2 number, since 2×292559572 = 1711822039971698, which contains 22 as substring.

Together with 29255959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29255959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14627978 + 14627979.

It is an arithmetic number, because the mean of its divisors is an integer number (14627979).

Almost surely, 229255957 is an apocalyptic number.

It is an amenable number.

29255957 is a deficient number, since it is larger than the sum of its proper divisors (1).

29255957 is an equidigital number, since it uses as much as digits as its factorization.

29255957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 283500, while the sum is 44.

The square root of 29255957 is about 5408.8776100038. The cubic root of 29255957 is about 308.1329224717.

The spelling of 29255957 in words is "twenty-nine million, two hundred fifty-five thousand, nine hundred fifty-seven".