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106249183 = 313427393
BaseRepresentation
bin1100101010100…
…11101111011111
321101221000110221
412111103233133
5204144433213
614313142211
72430050245
oct625235737
9241830427
10106249183
1154a7a647
122b6ba967
1319021051
141017a795
1594db38d
hex6553bdf

106249183 has 4 divisors (see below), whose sum is σ = 109676608. Its totient is φ = 102821760.

The previous prime is 106249151. The next prime is 106249189. The reversal of 106249183 is 381942601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 381942601 = 3710322773.

It is a cyclic number.

It is not a de Polignac number, because 106249183 - 25 = 106249151 is a prime.

It is a super-2 number, since 2×1062491832 = 22577777776334978, 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 (106249189) 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, 1713666 + ... + 1713727.

It is an arithmetic number, because the mean of its divisors is an integer number (27419152).

Almost surely, 2106249183 is an apocalyptic number.

106249183 is a deficient number, since it is larger than the sum of its proper divisors (3427425).

106249183 is an equidigital number, since it uses as much as digits as its factorization.

106249183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427424.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 106249183 is about 10307.7244336468. The cubic root of 106249183 is about 473.6329046006.

The spelling of 106249183 in words is "one hundred six million, two hundred forty-nine thousand, one hundred eighty-three".

Divisors: 1 31 3427393 106249183