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107212607 = 265740351
BaseRepresentation
bin1100110001111…
…10111100111111
321110201222001022
412120332330333
5204421300412
614345534355
72441202125
oct630767477
9243658038
10107212607
1155578467
122baa43bb
131929a718
141034b915
15962ba72
hex663ef3f

107212607 has 4 divisors (see below), whose sum is σ = 107255616. Its totient is φ = 107169600.

The previous prime is 107212561. The next prime is 107212613. The reversal of 107212607 is 706212701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706212701 = 1444748883.

It is a cyclic number.

It is not a de Polignac number, because 107212607 - 210 = 107211583 is a prime.

It is a super-2 number, since 2×1072126072 = 22989086199472898, 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 (107212667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17519 + ... + 22832.

It is an arithmetic number, because the mean of its divisors is an integer number (26813904).

Almost surely, 2107212607 is an apocalyptic number.

107212607 is a deficient number, since it is larger than the sum of its proper divisors (43009).

107212607 is an equidigital number, since it uses as much as digits as its factorization.

107212607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43008.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 107212607 is about 10354.3520801642. The cubic root of 107212607 is about 475.0601689246.

The spelling of 107212607 in words is "one hundred seven million, two hundred twelve thousand, six hundred seven".

Divisors: 1 2657 40351 107212607