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107217447 = 3431974219
BaseRepresentation
bin1100110010000…
…00001000100111
321110202012200120
412121000020213
5204421424242
614350013023
72441222211
oct631001047
9243665616
10107217447
1155581067
122baa7173
131929c99c
141034d5b1
15962d1ec
hex6640227

107217447 has 16 divisors (see below), whose sum is σ = 147058560. Its totient is φ = 69445152.

The previous prime is 107217413. The next prime is 107217449. The reversal of 107217447 is 744712701.

It is a de Polignac number, because none of the positive numbers 2k-107217447 is a prime.

It is a super-2 number, since 2×1072174472 = 22991161882395618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107217449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23304 + ... + 27522.

It is an arithmetic number, because the mean of its divisors is an integer number (9191160).

Almost surely, 2107217447 is an apocalyptic number.

107217447 is a deficient number, since it is larger than the sum of its proper divisors (39841113).

107217447 is a wasteful number, since it uses less digits than its factorization.

107217447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 107217447 is about 10354.5857956753. The cubic root of 107217447 is about 475.0673175137.

The spelling of 107217447 in words is "one hundred seven million, two hundred seventeen thousand, four hundred forty-seven".

Divisors: 1 3 43 129 197 591 4219 8471 12657 25413 181417 544251 831143 2493429 35739149 107217447