Search a number
-
+
102415012 = 2273657679
BaseRepresentation
bin1100001101010…
…11101010100100
321010201012222121
412012223222210
5202204240022
614055035324
72352341020
oct606535244
9233635877
10102415012
11528a0a07
122a36bb44
13182aaacb
14d85d380
158ed02c7
hex61abaa4

102415012 has 12 divisors (see below), whose sum is σ = 204830080. Its totient is φ = 43892136.

The previous prime is 102415009. The next prime is 102415013. The reversal of 102415012 is 210514201.

102415012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (102415013) 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 in 3 ways as a sum of consecutive naturals, for example, 1828812 + ... + 1828867.

Almost surely, 2102415012 is an apocalyptic number.

It is an amenable number.

102415012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102415012 is a wasteful number, since it uses less digits than its factorization.

102415012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657690 (or 3657688 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102415012 is about 10120.0302371090. The cubic root of 102415012 is about 467.8656991606.

Adding to 102415012 its reverse (210514201), we get a palindrome (312929213).

The spelling of 102415012 in words is "one hundred two million, four hundred fifteen thousand, twelve".

Divisors: 1 2 4 7 14 28 3657679 7315358 14630716 25603753 51207506 102415012