Search a number
-
+
102937287 = 334312429
BaseRepresentation
bin1100010001010…
…11001011000111
321011200202102010
412020223023013
5202322443122
614114145303
72356644465
oct610531307
9234622363
10102937287
1153118342
122a582233
131843174b
14d957835
159084e0c
hex622b2c7

102937287 has 4 divisors (see below), whose sum is σ = 137249720. Its totient is φ = 68624856.

The previous prime is 102937283. The next prime is 102937309. The reversal of 102937287 is 782739201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102937287 - 22 = 102937283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102937283) 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, 17156212 + ... + 17156217.

It is an arithmetic number, because the mean of its divisors is an integer number (34312430).

Almost surely, 2102937287 is an apocalyptic number.

102937287 is a deficient number, since it is larger than the sum of its proper divisors (34312433).

102937287 is an equidigital number, since it uses as much as digits as its factorization.

102937287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34312432.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 102937287 is about 10145.8014469040. The cubic root of 102937287 is about 468.6596594612.

The spelling of 102937287 in words is "one hundred two million, nine hundred thirty-seven thousand, two hundred eighty-seven".

Divisors: 1 3 34312429 102937287