Search a number
-
+
106061399 = 131809629
BaseRepresentation
bin1100101001001…
…01111001010111
321101120110212222
412110211321113
5204122431044
614305132555
72425335623
oct624457127
9241513788
10106061399
1154961554
122b62a15b
1318c86732
141012c183
1594a08ee
hex6525e57

106061399 has 4 divisors (see below), whose sum is σ = 106871160. Its totient is φ = 105251640.

The previous prime is 106061393. The next prime is 106061407. The reversal of 106061399 is 993160601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993160601 = 2671371831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106061399 is a prime.

It is a super-2 number, since 2×1060613992 = 22498040715674402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106061393) 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, 404684 + ... + 404945.

It is an arithmetic number, because the mean of its divisors is an integer number (26717790).

Almost surely, 2106061399 is an apocalyptic number.

106061399 is a deficient number, since it is larger than the sum of its proper divisors (809761).

106061399 is an equidigital number, since it uses as much as digits as its factorization.

106061399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809760.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 106061399 is about 10298.6115083539. The cubic root of 106061399 is about 473.3537083186.

The spelling of 106061399 in words is "one hundred six million, sixty-one thousand, three hundred ninety-nine".

Divisors: 1 131 809629 106061399