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106994857 = 312111337
BaseRepresentation
bin1100110000010…
…01110010101001
321110022220100111
412120021302221
5204342313412
614341134321
72436304234
oct630116251
9243286314
10106994857
1155439902
122b9ba3a1
1319222588
14102d241b
1595d72a7
hex6609ca9

106994857 has 6 divisors (see below), whose sum is σ = 110558634. Its totient is φ = 103542480.

The previous prime is 106994843. The next prime is 106994893. The reversal of 106994857 is 758499601.

It can be written as a sum of positive squares in only one way, i.e., 87067561 + 19927296 = 9331^2 + 4464^2 .

It is a de Polignac number, because none of the positive numbers 2k-106994857 is a prime.

It is a super-2 number, since 2×1069948572 = 22895798848900898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106994857.

It is not an unprimeable number, because it can be changed into a prime (106994897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54708 + ... + 56629.

It is an arithmetic number, because the mean of its divisors is an integer number (18426439).

Almost surely, 2106994857 is an apocalyptic number.

It is an amenable number.

106994857 is a deficient number, since it is larger than the sum of its proper divisors (3563777).

106994857 is an equidigital number, since it uses as much as digits as its factorization.

106994857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111399 (or 111368 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 106994857 is about 10343.8318335131. The cubic root of 106994857 is about 474.7383334427.

The spelling of 106994857 in words is "one hundred six million, nine hundred ninety-four thousand, eight hundred fifty-seven".

Divisors: 1 31 961 111337 3451447 106994857