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3405009620 = 225315491951
BaseRepresentation
bin1100101011110100…
…0101001011010100
322210022010102002102
43022331011023110
523433140301440
61321513101232
7150244050515
oct31275051324
98708112072
103405009620
111498048141
127b03b7818
1342358b0bc
14244312a0c
1514dde6b15
hexcaf452d4

3405009620 has 24 divisors (see below), whose sum is σ = 7381183488. Its totient is φ = 1318068000.

The previous prime is 3405009617. The next prime is 3405009649. The reversal of 3405009620 is 269005043.

3405009620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2745356 + ... + 2746595.

It is an arithmetic number, because the mean of its divisors is an integer number (307549312).

Almost surely, 23405009620 is an apocalyptic number.

It is an amenable number.

3405009620 is an abundant number, since it is smaller than the sum of its proper divisors (3976173868).

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

3405009620 is a wasteful number, since it uses less digits than its factorization.

3405009620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491991 (or 5491989 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3405009620 is about 58352.4602737537. The cubic root of 3405009620 is about 1504.4327571684.

The spelling of 3405009620 in words is "three billion, four hundred five million, nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 5491951 10983902 21967804 27459755 54919510 109839020 170250481 340500962 681001924 851252405 1702504810 3405009620