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3472745820 = 223565638819
BaseRepresentation
bin1100111011111101…
…1110010101011100
322222000120202200120
43032333132111130
524103010331240
61332332554540
7152025565245
oct31677362534
98860522616
103472745820
111522302375
1280b022a50
134346163ab
1424d305ccc
15154d26ad0
hexcefde55c

3472745820 has 48 divisors (see below), whose sum is σ = 9726272640. Its totient is φ = 925819456.

The previous prime is 3472745743. The next prime is 3472745849. The reversal of 3472745820 is 285472743.

It is a happy number.

It is a congruent number.

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, 389371 + ... + 398189.

It is an arithmetic number, because the mean of its divisors is an integer number (202630680).

Almost surely, 23472745820 is an apocalyptic number.

3472745820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3472745820 is an abundant number, since it is smaller than the sum of its proper divisors (6253526820).

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

3472745820 is a wasteful number, since it uses less digits than its factorization.

3472745820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15394 (or 15392 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 3472745820 is about 58930.0078058709. The cubic root of 3472745820 is about 1514.3432720922.

The spelling of 3472745820 in words is "three billion, four hundred seventy-two million, seven hundred forty-five thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6563 8819 13126 17638 19689 26252 26457 32815 35276 39378 44095 52914 65630 78756 88190 98445 105828 131260 132285 176380 196890 264570 393780 529140 57879097 115758194 173637291 231516388 289395485 347274582 578790970 694549164 868186455 1157581940 1736372910 3472745820