Search a number
-
+
102972529 = 1118151719
BaseRepresentation
bin1100010001100…
…11110001110001
321011202112202101
412020303301301
5202330110104
614115020401
72360152312
oct610636161
9234675671
10102972529
1153141870
122a59a701
13184447ba
14d966609
1590905a4
hex6233c71

102972529 has 8 divisors (see below), whose sum is σ = 112956480. Its totient is φ = 93092400.

The previous prime is 102972521. The next prime is 102972557. The reversal of 102972529 is 925279201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102972529 - 23 = 102972521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102972521) 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 7 ways as a sum of consecutive naturals, for example, 23869 + ... + 27850.

It is an arithmetic number, because the mean of its divisors is an integer number (14119560).

Almost surely, 2102972529 is an apocalyptic number.

It is an amenable number.

102972529 is a deficient number, since it is larger than the sum of its proper divisors (9983951).

102972529 is a wasteful number, since it uses less digits than its factorization.

102972529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51911.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 102972529 is about 10147.5380758093. The cubic root of 102972529 is about 468.7131373916.

The spelling of 102972529 in words is "one hundred two million, nine hundred seventy-two thousand, five hundred twenty-nine".

Divisors: 1 11 181 1991 51719 568909 9361139 102972529