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102434452 = 22171506389
BaseRepresentation
bin1100001101100…
…00011010010100
321010202012122121
412012300122110
5202210400302
614055305324
72352451501
oct606603224
9233665577
10102434452
115290457a
122a37b244
13182b6903
14d8664a8
158ed5e37
hex61b0694

102434452 has 12 divisors (see below), whose sum is σ = 189805140. Its totient is φ = 48204416.

The previous prime is 102434419. The next prime is 102434473. The reversal of 102434452 is 254434201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68492176 + 33942276 = 8276^2 + 5826^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753127 + ... + 753262.

It is an arithmetic number, because the mean of its divisors is an integer number (15817095).

Almost surely, 2102434452 is an apocalyptic number.

It is an amenable number.

102434452 is a deficient number, since it is larger than the sum of its proper divisors (87370688).

102434452 is a wasteful number, since it uses less digits than its factorization.

102434452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506410 (or 1506408 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 102434452 is about 10120.9906629737. The cubic root of 102434452 is about 467.8953000743.

Adding to 102434452 its reverse (254434201), we get a palindrome (356868653).

The spelling of 102434452 in words is "one hundred two million, four hundred thirty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 17 34 68 1506389 3012778 6025556 25608613 51217226 102434452