Search a number
-
+
102484245 = 3517537583
BaseRepresentation
bin1100001101111…
…00100100010101
321010211201221210
412012330210111
5202213443440
614100332033
72353046613
oct606744425
9233751853
10102484245
1152938a26
122a3a4019
1318303486
14d87a6b3
158ee5a80
hex61bc915

102484245 has 32 divisors (see below), whose sum is σ = 176919552. Its totient is φ = 50465792.

The previous prime is 102484243. The next prime is 102484273. The reversal of 102484245 is 542484201.

It is not a de Polignac number, because 102484245 - 21 = 102484243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102484241) 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 31 ways as a sum of consecutive naturals, for example, 9724 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (5528736).

Almost surely, 2102484245 is an apocalyptic number.

102484245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102484245 is a deficient number, since it is larger than the sum of its proper divisors (74435307).

102484245 is a wasteful number, since it uses less digits than its factorization.

102484245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 102484245 is about 10123.4502517669. The cubic root of 102484245 is about 467.9711018390.

The spelling of 102484245 in words is "one hundred two million, four hundred eighty-four thousand, two hundred forty-five".

Divisors: 1 3 5 15 17 51 53 85 159 255 265 795 901 2703 4505 7583 13515 22749 37915 113745 128911 386733 401899 644555 1205697 1933665 2009495 6028485 6832283 20496849 34161415 102484245