Search a number
-
+
102971229 = 371483433
BaseRepresentation
bin1100010001100…
…11011101011101
321011202110222020
412020303131131
5202330034404
614115010353
72360145444
oct610633535
9234673866
10102971229
1153140899
122a5999b9
131844402a
14d965d5b
15908eed9
hex623375d

102971229 has 8 divisors (see below), whose sum is σ = 139228992. Its totient is φ = 67680480.

The previous prime is 102971221. The next prime is 102971237. The reversal of 102971229 is 922179201.

It is an interprime number because it is at equal distance from previous prime (102971221) and next prime (102971237).

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

It is not a de Polignac number, because 102971229 - 23 = 102971221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102971229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102971221) 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, 241504 + ... + 241929.

It is an arithmetic number, because the mean of its divisors is an integer number (17403624).

Almost surely, 2102971229 is an apocalyptic number.

It is an amenable number.

102971229 is a deficient number, since it is larger than the sum of its proper divisors (36257763).

102971229 is an equidigital number, since it uses as much as digits as its factorization.

102971229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483507.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 102971229 is about 10147.4740206615. The cubic root of 102971229 is about 468.7111649249.

The spelling of 102971229 in words is "one hundred two million, nine hundred seventy-one thousand, two hundred twenty-nine".

Divisors: 1 3 71 213 483433 1450299 34323743 102971229