Search a number
-
+
131552342 = 2471399493
BaseRepresentation
bin1111101011101…
…01010001010110
3100011112112212222
413311311101112
5232134133332
621015342342
73155114345
oct765652126
9304475788
10131552342
1168292249
12380819b2
132134022c
1413685b5c
15b838712
hex7d75456

131552342 has 8 divisors (see below), whose sum is σ = 201527136. Its totient is φ = 64376632.

The previous prime is 131552339. The next prime is 131552347. The reversal of 131552342 is 243255131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131552347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699653 + ... + 699840.

It is an arithmetic number, because the mean of its divisors is an integer number (25190892).

Almost surely, 2131552342 is an apocalyptic number.

131552342 is a deficient number, since it is larger than the sum of its proper divisors (69974794).

131552342 is a wasteful number, since it uses less digits than its factorization.

131552342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399542.

The product of its digits is 3600, while the sum is 26.

The square root of 131552342 is about 11469.6269337760. The cubic root of 131552342 is about 508.5881005004.

The spelling of 131552342 in words is "one hundred thirty-one million, five hundred fifty-two thousand, three hundred forty-two".

Divisors: 1 2 47 94 1399493 2798986 65776171 131552342