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131338606 = 2779118751
BaseRepresentation
bin1111101010000…
…01000101101110
3100011010200200211
413311001011232
5232110313411
621011013034
73153234250
oct765010556
9304120624
10131338606
1168156703
1237b9a17a
1321296b69
141362bcd0
15b7e5221
hex7d4116e

131338606 has 16 divisors (see below), whose sum is σ = 228003840. Its totient is φ = 55575000.

The previous prime is 131338589. The next prime is 131338609. The reversal of 131338606 is 606833131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131338609) 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, 58270 + ... + 60481.

It is an arithmetic number, because the mean of its divisors is an integer number (14250240).

Almost surely, 2131338606 is an apocalyptic number.

131338606 is a deficient number, since it is larger than the sum of its proper divisors (96665234).

131338606 is a wasteful number, since it uses less digits than its factorization.

131338606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118839.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 131338606 is about 11460.3056678258. The cubic root of 131338606 is about 508.3125130832.

The spelling of 131338606 in words is "one hundred thirty-one million, three hundred thirty-eight thousand, six hundred six".

Divisors: 1 2 7 14 79 158 553 1106 118751 237502 831257 1662514 9381329 18762658 65669303 131338606