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105683247 = 3231378793
BaseRepresentation
bin1100100110010…
…01100100101111
321100212021011100
412103021210233
5204023330442
614253054143
72422202265
oct623114457
9240767140
10105683247
115472342a
122b487353
1318b83587
1410070435
15942884c
hex64c992f

105683247 has 12 divisors (see below), whose sum is σ = 157578304. Its totient is φ = 68182560.

The previous prime is 105683233. The next prime is 105683261. The reversal of 105683247 is 742386501.

It is an interprime number because it is at equal distance from previous prime (105683233) and next prime (105683261).

It is not a de Polignac number, because 105683247 - 214 = 105666863 is a prime.

It is a super-2 number, since 2×1056832472 = 22337897392926018, 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 (105683267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189118 + ... + 189675.

Almost surely, 2105683247 is an apocalyptic number.

105683247 is a deficient number, since it is larger than the sum of its proper divisors (51895057).

105683247 is a wasteful number, since it uses less digits than its factorization.

105683247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378830 (or 378827 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 105683247 is about 10280.2357463241. The cubic root of 105683247 is about 472.7904722714.

The spelling of 105683247 in words is "one hundred five million, six hundred eighty-three thousand, two hundred forty-seven".

Divisors: 1 3 9 31 93 279 378793 1136379 3409137 11742583 35227749 105683247