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106013731 = 241439891
BaseRepresentation
bin1100101000110…
…10010000100011
321101111001111111
412110122100203
5204114414411
614304124151
72425046635
oct624322043
9241431444
10106013731
115492975a
122b606657
1318c6ab25
1410118a55
159491721
hex651a423

106013731 has 4 divisors (see below), whose sum is σ = 106453864. Its totient is φ = 105573600.

The previous prime is 106013729. The next prime is 106013753. The reversal of 106013731 is 137310601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106013731 - 21 = 106013729 is a prime.

It is a super-2 number, since 2×1060137312 = 22477822321080722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106013701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219705 + ... + 220186.

It is an arithmetic number, because the mean of its divisors is an integer number (26613466).

Almost surely, 2106013731 is an apocalyptic number.

106013731 is a deficient number, since it is larger than the sum of its proper divisors (440133).

106013731 is an equidigital number, since it uses as much as digits as its factorization.

106013731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440132.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 106013731 is about 10296.2969557021. The cubic root of 106013731 is about 473.2827833451.

The spelling of 106013731 in words is "one hundred six million, thirteen thousand, seven hundred thirty-one".

Divisors: 1 241 439891 106013731