Search a number
-
+
102438316 = 2225609579
BaseRepresentation
bin1100001101100…
…01010110101100
321010202101221201
412012301112230
5202211011231
614055335244
72352465661
oct606612654
9233671851
10102438316
1152907472
122a381524
13182b85b6
14d867a68
158ed7161
hex61b15ac

102438316 has 6 divisors (see below), whose sum is σ = 179267060. Its totient is φ = 51219156.

The previous prime is 102438313. The next prime is 102438361. The reversal of 102438316 is 613834201.

It is not an unprimeable number, because it can be changed into a prime (102438313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12804786 + ... + 12804793.

Almost surely, 2102438316 is an apocalyptic number.

It is an amenable number.

102438316 is a deficient number, since it is larger than the sum of its proper divisors (76828744).

102438316 is a wasteful number, since it uses less digits than its factorization.

102438316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25609583 (or 25609581 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 102438316 is about 10121.1815515779. The cubic root of 102438316 is about 467.9011832665.

It can be divided in two parts, 1024 and 38316, that added together give a triangular number (39340 = T280).

The spelling of 102438316 in words is "one hundred two million, four hundred thirty-eight thousand, three hundred sixteen".

Divisors: 1 2 4 25609579 51219158 102438316