Search a number
-
+
126350031 = 31371731777
BaseRepresentation
bin1111000011111…
…11001011001111
322210202020122210
413201333023033
5224321200111
620312041503
73062646303
oct741771317
9283666583
10126350031
1165359715
1236393293
132023b342
1412acdd03
15b15c0a6
hex787f2cf

126350031 has 16 divisors (see below), whose sum is σ = 170773344. Its totient is φ = 83088384.

The previous prime is 126350023. The next prime is 126350047. The reversal of 126350031 is 130053621.

It is not a de Polignac number, because 126350031 - 23 = 126350023 is a prime.

It is a super-2 number, since 2×1263500312 = 31928660667401922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126350131) 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, 70215 + ... + 71991.

It is an arithmetic number, because the mean of its divisors is an integer number (10673334).

Almost surely, 2126350031 is an apocalyptic number.

126350031 is a deficient number, since it is larger than the sum of its proper divisors (44423313).

126350031 is a wasteful number, since it uses less digits than its factorization.

126350031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 126350031 is about 11240.5529668251. The cubic root of 126350031 is about 501.7935996406.

The spelling of 126350031 in words is "one hundred twenty-six million, three hundred fifty thousand, thirty-one".

Divisors: 1 3 137 173 411 519 1777 5331 23701 71103 243449 307421 730347 922263 42116677 126350031