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429252768 = 25327212923
BaseRepresentation
bin11001100101011…
…110000010100000
31002220201022002200
4121211132002200
51334342042033
6110332213200
713431405540
oct3145360240
91086638080
10429252768
11200335a5a
12bb90a200
136ac14429
144101b320
1527a41013
hex1995e0a0

429252768 has 72 divisors (see below), whose sum is σ = 1395078048. Its totient is φ = 122643072.

The previous prime is 429252767. The next prime is 429252781. The reversal of 429252768 is 867252924.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (429252763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104446 + ... + 108477.

It is an arithmetic number, because the mean of its divisors is an integer number (19376084).

Almost surely, 2429252768 is an apocalyptic number.

429252768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

429252768 is an abundant number, since it is smaller than the sum of its proper divisors (965825280).

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

429252768 is a wasteful number, since it uses less digits than its factorization.

429252768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212946 (or 212935 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 429252768 is about 20718.4161556814. The cubic root of 429252768 is about 754.3467694576.

The spelling of 429252768 in words is "four hundred twenty-nine million, two hundred fifty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 212923 425846 638769 851692 1277538 1490461 1703384 1916307 2555076 2980922 3406768 3832614 4471383 5110152 5961844 6813536 7665228 8942766 10220304 11923688 13414149 15330456 17885532 20440608 23847376 26828298 30660912 35771064 47694752 53656596 61321824 71542128 107313192 143084256 214626384 429252768