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429385383 = 32725318371
BaseRepresentation
bin11001100101111…
…110011010100111
31002220222001000100
4121211332122213
51334410313013
6110335115143
713432500300
oct3145763247
91086861010
10429385383
11200416659
12bb972ab3
136ac5c8bb
14410537a7
1527a6a473
hex1997e6a7

429385383 has 36 divisors (see below), whose sum is σ = 735137208. Its totient is φ = 240720480.

The previous prime is 429385361. The next prime is 429385391. The reversal of 429385383 is 383583924.

It is not a de Polignac number, because 429385383 - 28 = 429385127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429385393) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14188 + ... + 32558.

It is an arithmetic number, because the mean of its divisors is an integer number (20420478).

Almost surely, 2429385383 is an apocalyptic number.

429385383 is a deficient number, since it is larger than the sum of its proper divisors (305751825).

429385383 is a wasteful number, since it uses less digits than its factorization.

429385383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18444 (or 18434 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 429385383 is about 20721.6163220923. The cubic root of 429385383 is about 754.4244450558.

It can be divided in two parts, 4293 and 85383, that added together give a triangular number (89676 = T423).

The spelling of 429385383 in words is "four hundred twenty-nine million, three hundred eighty-five thousand, three hundred eighty-three".

Divisors: 1 3 7 9 21 49 53 63 147 159 371 441 477 1113 2597 3339 7791 18371 23373 55113 128597 165339 385791 900179 973663 1157373 2700537 2920989 6815641 8101611 8762967 20446923 47709487 61340769 143128461 429385383