Search a number
-
+
102000311 = 73297377
BaseRepresentation
bin1100001010001…
…10011010110111
321002221011010022
412011012122313
5202103002221
614042115355
72345663000
oct605063267
9232834108
10102000311
1152638386
122a1abb5b
131819411a
14d7921a7
158e4c4ab
hex61466b7

102000311 has 8 divisors (see below), whose sum is σ = 118951200. Its totient is φ = 87428544.

The previous prime is 102000299. The next prime is 102000359. The reversal of 102000311 is 113000201.

It is not a de Polignac number, because 102000311 - 26 = 102000247 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 (102005311) 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, 148346 + ... + 149031.

It is an arithmetic number, because the mean of its divisors is an integer number (14868900).

Almost surely, 2102000311 is an apocalyptic number.

102000311 is a deficient number, since it is larger than the sum of its proper divisors (16950889).

102000311 is an frugal number, since it uses more digits than its factorization.

102000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297398 (or 297384 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 102000311 is about 10099.5203351446. The cubic root of 102000311 is about 467.2333477024.

Adding to 102000311 its reverse (113000201), we get a palindrome (215000512).

The spelling of 102000311 in words is "one hundred two million, three hundred eleven", and thus it is an aban number.

Divisors: 1 7 49 343 297377 2081639 14571473 102000311