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3528431920 = 245133392723
BaseRepresentation
bin1101001001001111…
…1001100100110000
3100002220100220122201
43102103321210300
524211234310140
61342042312544
7153303114346
oct32223714460
910086326581
103528431920
111550787142
128257b8754
13443012950
1425687d996
15159b7649a
hexd24f9930

3528431920 has 40 divisors (see below), whose sum is σ = 8834653296. Its totient is φ = 1302805248.

The previous prime is 3528431903. The next prime is 3528431971. The reversal of 3528431920 is 291348253.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×35284319203 (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3528431920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695322 + ... + 1697401.

Almost surely, 23528431920 is an apocalyptic number.

It is an amenable number.

3528431920 is an abundant number, since it is smaller than the sum of its proper divisors (5306221376).

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

3528431920 is a wasteful number, since it uses less digits than its factorization.

3528431920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392749 (or 3392743 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 3528431920 is about 59400.6053841205. The cubic root of 3528431920 is about 1522.3946441836.

The spelling of 3528431920 in words is "three billion, five hundred twenty-eight million, four hundred thirty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 3392723 6785446 13570892 16963615 27141784 33927230 44105399 54283568 67854460 88210798 135708920 176421596 220526995 271417840 352843192 441053990 705686384 882107980 1764215960 3528431920