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428146102 = 21361157291
BaseRepresentation
bin11001100001001…
…111110110110110
31002211122002001001
4121201033312312
51334101133402
6110252353514
713416116236
oct3141176666
91084562031
10428146102
111aa74a55a
12bb47589a
136a9177b7
1440c0dcc6
15278c3187
hex1984fdb6

428146102 has 8 divisors (see below), whose sum is σ = 642695112. Its totient is φ = 213914400.

The previous prime is 428146093. The next prime is 428146153. The reversal of 428146102 is 201641824.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 75924 + ... + 81367.

It is an arithmetic number, because the mean of its divisors is an integer number (80336889).

Almost surely, 2428146102 is an apocalyptic number.

428146102 is a deficient number, since it is larger than the sum of its proper divisors (214549010).

428146102 is a wasteful number, since it uses less digits than its factorization.

428146102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158654.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 428146102 is about 20691.6916176518. The cubic root of 428146102 is about 753.6979455575.

Adding to 428146102 its reverse (201641824), we get a palindrome (629787926).

The spelling of 428146102 in words is "four hundred twenty-eight million, one hundred forty-six thousand, one hundred two".

Divisors: 1 2 1361 2722 157291 314582 214073051 428146102