Search a number
-
+
102304477 = 1147433457
BaseRepresentation
bin1100001100100…
…00101011011101
321010111121100201
412012100223131
5202142220402
614052423501
72351400532
oct606205335
9233447321
10102304477
1152825960
122a317b91
131826c6c2
14d830d89
158eac687
hex6190add

102304477 has 16 divisors (see below), whose sum is σ = 114492672. Its totient is φ = 90616320.

The previous prime is 102304451. The next prime is 102304523. The reversal of 102304477 is 774403201.

It is a cyclic number.

It is not a de Polignac number, because 102304477 - 223 = 93915869 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 (102302477) 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, 223633 + ... + 224089.

It is an arithmetic number, because the mean of its divisors is an integer number (7155792).

Almost surely, 2102304477 is an apocalyptic number.

It is an amenable number.

102304477 is a deficient number, since it is larger than the sum of its proper divisors (12188195).

102304477 is a wasteful number, since it uses less digits than its factorization.

102304477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 102304477 is about 10114.5675636678. The cubic root of 102304477 is about 467.6973184045.

Adding to 102304477 its reverse (774403201), we get a palindrome (876707678).

The spelling of 102304477 in words is "one hundred two million, three hundred four thousand, four hundred seventy-seven".

Divisors: 1 11 47 433 457 517 4763 5027 20351 21479 197881 223861 236269 2176691 9300407 102304477