[go: up one dir, main page]

Search a number
-
+
29707957 is a prime number
BaseRepresentation
bin111000101010…
…0111010110101
32001220022122201
41301110322311
530101123312
62540424501
7510341056
oct161247265
961808581
1029707957
1115851034
129b48131
136202096
143d3472d
15291c557
hex1c54eb5

29707957 has 2 divisors, whose sum is σ = 29707958. Its totient is φ = 29707956.

The previous prime is 29707943. The next prime is 29707961. The reversal of 29707957 is 75970792.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27520516 + 2187441 = 5246^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 29707957 - 211 = 29705909 is a prime.

It is a super-2 number, since 2×297079572 = 1765125418227698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29707057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14853978 + 14853979.

It is an arithmetic number, because the mean of its divisors is an integer number (14853979).

Almost surely, 229707957 is an apocalyptic number.

It is an amenable number.

29707957 is a deficient number, since it is larger than the sum of its proper divisors (1).

29707957 is an equidigital number, since it uses as much as digits as its factorization.

29707957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 29707957 is about 5450.5006192092. The cubic root of 29707957 is about 309.7116882378.

The spelling of 29707957 in words is "twenty-nine million, seven hundred seven thousand, nine hundred fifty-seven".