Search a number
-
+
102294247 = 1121077901
BaseRepresentation
bin1100001100011…
…10001011100111
321010111002022211
412012032023213
5202141403442
614052304251
72351325646
oct606161347
9233432284
10102294247
1152819200
122a312087
1318267b53
14d82b35d
158ea9617
hex618e2e7

102294247 has 12 divisors (see below), whose sum is σ = 113504328. Its totient is φ = 92114000.

The previous prime is 102294229. The next prime is 102294289. The reversal of 102294247 is 742492201.

It is not a de Polignac number, because 102294247 - 219 = 101769959 is a prime.

It is a super-2 number, since 2×1022942472 = 20928225938594018, 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 (102294217) 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, 8997 + ... + 16897.

It is an arithmetic number, because the mean of its divisors is an integer number (9458694).

Almost surely, 2102294247 is an apocalyptic number.

102294247 is a deficient number, since it is larger than the sum of its proper divisors (11210081).

102294247 is a wasteful number, since it uses less digits than its factorization.

102294247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030 (or 8019 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 102294247 is about 10114.0618447783. The cubic root of 102294247 is about 467.6817286564.

The spelling of 102294247 in words is "one hundred two million, two hundred ninety-four thousand, two hundred forty-seven".

Divisors: 1 11 107 121 1177 7901 12947 86911 845407 956021 9299477 102294247