Search a number
-
+
102961610 = 2582112541
BaseRepresentation
bin1100010001100…
…01000111001010
321011201222202222
412020301013022
5202324232420
614114454042
72360105423
oct610610712
9234658688
10102961610
1153134644
122a594322
131843c83b
14d96264a
15908c225
hex62311ca

102961610 has 16 divisors (see below), whose sum is σ = 185571432. Its totient is φ = 41131200.

The previous prime is 102961603. The next prime is 102961739. The reversal of 102961610 is 16169201.

It is a Cunningham number, because it is equal to 101472+1.

It can be written as a sum of positive squares in 4 ways, for example, as 88981489 + 13980121 = 9433^2 + 3739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102961610.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940 + ... + 14480.

Almost surely, 2102961610 is an apocalyptic number.

102961610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102961610 is a deficient number, since it is larger than the sum of its proper divisors (82609822).

102961610 is a wasteful number, since it uses less digits than its factorization.

102961610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 102961610 is about 10147.0000492756. Note that the first 4 decimals coincide. The cubic root of 102961610 is about 468.6965696730.

The spelling of 102961610 in words is "one hundred two million, nine hundred sixty-one thousand, six hundred ten".

Divisors: 1 2 5 10 821 1642 4105 8210 12541 25082 62705 125410 10296161 20592322 51480805 102961610