Search a number
-
+
126902241 = 3339711839
BaseRepresentation
bin1111001000001…
…01111111100001
322211210022011000
413210011333201
5224441332431
620331542213
73100436244
oct744057741
9284708130
10126902241
11656a6594
12365ba969
13203a27ab
1412bd525b
15b21a9e6
hex7905fe1

126902241 has 16 divisors (see below), whose sum is σ = 188492800. Its totient is φ = 84381264.

The previous prime is 126902233. The next prime is 126902249. The reversal of 126902241 is 142209621.

It is an interprime number because it is at equal distance from previous prime (126902233) and next prime (126902249).

It is not a de Polignac number, because 126902241 - 23 = 126902233 is a prime.

It is a super-2 number, since 2×1269022412 = 32208357541644162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126902249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (11780800).

Almost surely, 2126902241 is an apocalyptic number.

It is an amenable number.

126902241 is a deficient number, since it is larger than the sum of its proper divisors (61590559).

126902241 is a wasteful number, since it uses less digits than its factorization.

126902241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245 (or 12239 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 126902241 is about 11265.0894803370. The cubic root of 126902241 is about 502.5235631633.

The spelling of 126902241 in words is "one hundred twenty-six million, nine hundred two thousand, two hundred forty-one".

Divisors: 1 3 9 27 397 1191 3573 10719 11839 35517 106551 319653 4700083 14100249 42300747 126902241