Search a number
-
+
102053147 = 7314310937
BaseRepresentation
bin1100001010100…
…11010100011011
321010000211121012
412011103110123
5202111200042
614043204135
72346303020
oct605232433
9233024535
10102053147
1152674049
122a21664b
13181b21a1
14d7a7547
158e5ce82
hex615351b

102053147 has 16 divisors (see below), whose sum is σ = 123205632. Its totient is φ = 82676160.

The previous prime is 102053131. The next prime is 102053153. The reversal of 102053147 is 741350201.

It is not a de Polignac number, because 102053147 - 24 = 102053131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102053447) 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 15 ways as a sum of consecutive naturals, for example, 3863 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (7700352).

Almost surely, 2102053147 is an apocalyptic number.

102053147 is a deficient number, since it is larger than the sum of its proper divisors (21152485).

102053147 is a wasteful number, since it uses less digits than its factorization.

102053147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 102053147 is about 10102.1357642827. The cubic root of 102053147 is about 467.3140091553.

The spelling of 102053147 in words is "one hundred two million, fifty-three thousand, one hundred forty-seven".

Divisors: 1 7 31 43 217 301 1333 9331 10937 76559 339047 470291 2373329 3292037 14579021 102053147