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197132253 = 3431528157
BaseRepresentation
bin10111011111111…
…11111111011101
3111201221100121120
423233333333131
5400431213003
631321121153
74612411413
oct1357777735
9451840546
10197132253
11a130441a
12560291b9
1331ac1c06
141c2772b3
151248e853
hexbbfffdd

197132253 has 8 divisors (see below), whose sum is σ = 268955808. Its totient is φ = 128365104.

The previous prime is 197132249. The next prime is 197132267. The reversal of 197132253 is 352231791.

197132253 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197132253 - 22 = 197132249 is a prime.

It is a super-2 number, since 2×1971322532 = 77722250345712018, which contains 22 as substring.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197132233) 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, 763950 + ... + 764207.

It is an arithmetic number, because the mean of its divisors is an integer number (33619476).

Almost surely, 2197132253 is an apocalyptic number.

It is an amenable number.

197132253 is a deficient number, since it is larger than the sum of its proper divisors (71823555).

197132253 is a wasteful number, since it uses less digits than its factorization.

197132253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528203.

The product of its digits is 11340, while the sum is 33.

The square root of 197132253 is about 14040.3793752163. The cubic root of 197132253 is about 581.9949663598.

The spelling of 197132253 in words is "one hundred ninety-seven million, one hundred thirty-two thousand, two hundred fifty-three".

Divisors: 1 3 43 129 1528157 4584471 65710751 197132253