Search a number
-
+
102415232 = 27800119
BaseRepresentation
bin1100001101010…
…11101110000000
321010201020021202
412012223232000
5202204241412
614055040332
72352341453
oct606535600
9233636252
10102415232
11528a1097
122a3700a8
13182aac3a
14d85d49a
158ed03c2
hex61abb80

102415232 has 16 divisors (see below), whose sum is σ = 204030600. Its totient is φ = 51207552.

The previous prime is 102415199. The next prime is 102415241. The reversal of 102415232 is 232514201.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1024152322 = 20977759491227648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399932 + ... + 400187.

Almost surely, 2102415232 is an apocalyptic number.

It is an amenable number.

102415232 is a deficient number, since it is larger than the sum of its proper divisors (101615368).

102415232 is an frugal number, since it uses more digits than its factorization.

102415232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800133 (or 800121 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102415232 is about 10120.0411066359. The cubic root of 102415232 is about 467.8660341713.

Adding to 102415232 its reverse (232514201), we get a palindrome (334929433).

The spelling of 102415232 in words is "one hundred two million, four hundred fifteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 800119 1600238 3200476 6400952 12801904 25603808 51207616 102415232