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106142377 = 119649307
BaseRepresentation
bin1100101001110…
…01101010101001
321101201120222011
412110321222221
5204133024002
614310555521
72426123665
oct624715251
9241646864
10106142377
1154a07380
122b668ba1
1318cb4553
141014d8a5
1594b98d7
hex6539aa9

106142377 has 4 divisors (see below), whose sum is σ = 115791696. Its totient is φ = 96493060.

The previous prime is 106142359. The next prime is 106142383. The reversal of 106142377 is 773241601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773241601 = 1170294691.

It is a cyclic number.

It is not a de Polignac number, because 106142377 - 219 = 105618089 is a prime.

It is a super-2 number, since 2×1061423772 = 22532408390420258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106142077) 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, 4824643 + ... + 4824664.

It is an arithmetic number, because the mean of its divisors is an integer number (28947924).

Almost surely, 2106142377 is an apocalyptic number.

It is an amenable number.

106142377 is a deficient number, since it is larger than the sum of its proper divisors (9649319).

106142377 is an equidigital number, since it uses as much as digits as its factorization.

106142377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9649318.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 106142377 is about 10302.5422590737. The cubic root of 106142377 is about 473.4741463724.

Adding to 106142377 its reverse (773241601), we get a palindrome (879383978).

The spelling of 106142377 in words is "one hundred six million, one hundred forty-two thousand, three hundred seventy-seven".

Divisors: 1 11 9649307 106142377