Search a number
-
+
102424151 = 432381957
BaseRepresentation
bin1100001101011…
…01111001010111
321010201200112002
412012231321113
5202210033101
614055145515
72352406454
oct606557127
9233650462
10102424151
11528a7865
122a37529b
13182b200b
14d86282b
158ed2d6b
hex61ade57

102424151 has 4 divisors (see below), whose sum is σ = 104806152. Its totient is φ = 100042152.

The previous prime is 102424111. The next prime is 102424159. The reversal of 102424151 is 151424201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102424151 - 210 = 102423127 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 (102424159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190936 + ... + 1191021.

It is an arithmetic number, because the mean of its divisors is an integer number (26201538).

Almost surely, 2102424151 is an apocalyptic number.

102424151 is a deficient number, since it is larger than the sum of its proper divisors (2382001).

102424151 is an equidigital number, since it uses as much as digits as its factorization.

102424151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382000.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 102424151 is about 10120.4817573078. The cubic root of 102424151 is about 467.8796154064.

Adding to 102424151 its reverse (151424201), we get a palindrome (253848352).

Subtracting 102424151 from its reverse (151424201), we obtain a triangular number (49000050 = T9899).

The spelling of 102424151 in words is "one hundred two million, four hundred twenty-four thousand, one hundred fifty-one".

Divisors: 1 43 2381957 102424151