Search a number
-
+
102203004 = 22347181211
BaseRepresentation
bin1100001011101…
…11111001111100
321010022110011110
412011313321330
5202130444004
614050322020
72350465641
oct605677174
9233273143
10102203004
11527666a2
122a289310
1318235467
14d805dc8
158e8c589
hex6177e7c

102203004 has 24 divisors (see below), whose sum is σ = 243548928. Its totient is φ = 33342640.

The previous prime is 102202987. The next prime is 102203029. The reversal of 102203004 is 400302201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90042 + ... + 91169.

It is an arithmetic number, because the mean of its divisors is an integer number (10147872).

Almost surely, 2102203004 is an apocalyptic number.

It is an amenable number.

102203004 is an abundant number, since it is smaller than the sum of its proper divisors (141345924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102203004 is a wasteful number, since it uses less digits than its factorization.

102203004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181265 (or 181263 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102203004 is about 10109.5501383593. The cubic root of 102203004 is about 467.5426352110.

Adding to 102203004 its reverse (400302201), we get a palindrome (502505205).

The spelling of 102203004 in words is "one hundred two million, two hundred three thousand, four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 181211 362422 543633 724844 1087266 2174532 8516917 17033834 25550751 34067668 51101502 102203004