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528229420 = 225193281487
BaseRepresentation
bin11111011111000…
…010010000101100
31100210221211112121
4133133002100230
52040211320140
6124225442324
716042606315
oct3737022054
91323854477
10528229420
11251198644
12128aa03a4
138558a1b4
145022360c
153159264a
hex1f7c242c

528229420 has 48 divisors (see below), whose sum is σ = 1121295168. Its totient is φ = 209018880.

The previous prime is 528229411. The next prime is 528229453. The reversal of 528229420 is 24922825.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1084417 + ... + 1084903.

It is an arithmetic number, because the mean of its divisors is an integer number (23360316).

Almost surely, 2528229420 is an apocalyptic number.

It is an amenable number.

528229420 is an abundant number, since it is smaller than the sum of its proper divisors (593065748).

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

528229420 is a wasteful number, since it uses less digits than its factorization.

528229420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 528229420 is about 22983.2421559709. The cubic root of 528229420 is about 808.3650504672.

The spelling of 528229420 in words is "five hundred twenty-eight million, two hundred twenty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 193 281 386 487 562 772 965 974 1124 1405 1930 1948 2435 2810 3860 4870 5620 9740 54233 93991 108466 136847 187982 216932 271165 273694 375964 469955 542330 547388 684235 939910 1084660 1368470 1879820 2736940 26411471 52822942 105645884 132057355 264114710 528229420