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131006067 = 346579377
BaseRepresentation
bin1111100111011…
…11111001110011
3100010111210112120
413303233321303
5232014143232
620555525323
73150350613
oct763577163
9303453476
10131006067
1167a49885
1237a59843
13211ab6aa
1413582a43
15b77b92c
hex7cefe73

131006067 has 8 divisors (see below), whose sum is σ = 174730896. Its totient is φ = 87309312.

The previous prime is 131006047. The next prime is 131006081. The reversal of 131006067 is 760600131.

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

It is not a de Polignac number, because 131006067 - 215 = 130973299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131006017) 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, 9283 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (21841362).

Almost surely, 2131006067 is an apocalyptic number.

131006067 is a deficient number, since it is larger than the sum of its proper divisors (43724829).

131006067 is an equidigital number, since it uses as much as digits as its factorization.

131006067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14037.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 131006067 is about 11445.7881773166. The cubic root of 131006067 is about 507.8831480981.

Adding to 131006067 its reverse (760600131), we get a palindrome (891606198).

The spelling of 131006067 in words is "one hundred thirty-one million, six thousand, sixty-seven".

Divisors: 1 3 4657 9377 13971 28131 43668689 131006067