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102393247 = 1114962473
BaseRepresentation
bin1100001101001…
…10010110011111
321010200010010111
412012212112133
5202203040442
614054350451
72352220405
oct606462637
9233603114
10102393247
1152886620
122a35b427
13182a0c28
14d855475
158ec8b17
hex61a659f

102393247 has 8 divisors (see below), whose sum is σ = 112453200. Its totient is φ = 92458560.

The previous prime is 102393241. The next prime is 102393259. The reversal of 102393247 is 742393201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102393247 - 219 = 101868959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102393241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29598 + ... + 32875.

It is an arithmetic number, because the mean of its divisors is an integer number (14056650).

Almost surely, 2102393247 is an apocalyptic number.

102393247 is a deficient number, since it is larger than the sum of its proper divisors (10059953).

102393247 is a wasteful number, since it uses less digits than its factorization.

102393247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62633.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 102393247 is about 10118.9548373337. The cubic root of 102393247 is about 467.8325535693.

The spelling of 102393247 in words is "one hundred two million, three hundred ninety-three thousand, two hundred forty-seven".

Divisors: 1 11 149 1639 62473 687203 9308477 102393247