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3455487740 = 2254361199331
BaseRepresentation
bin1100110111110110…
…1000111011111100
322220211002222001102
43031331220323330
524034101101430
61330515032232
7151426106165
oct31575507374
98824088042
103455487740
1115135950a1
1280529b678
13430b83003
1424acd276c
15153568345
hexcdf68efc

3455487740 has 96 divisors (see below), whose sum is σ = 7607846400. Its totient is φ = 1317254400.

The previous prime is 3455487727. The next prime is 3455487767. The reversal of 3455487740 is 477845543.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10439375 + ... + 10439705.

It is an arithmetic number, because the mean of its divisors is an integer number (79248400).

Almost surely, 23455487740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3455487740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3803923200).

3455487740 is an abundant number, since it is smaller than the sum of its proper divisors (4152358660).

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

3455487740 is a wasteful number, since it uses less digits than its factorization.

3455487740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 47.

The square root of 3455487740 is about 58783.3968055607. The cubic root of 3455487740 is about 1511.8305562804.

The spelling of 3455487740 in words is "three billion, four hundred fifty-five million, four hundred eighty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 43 61 86 122 172 199 215 244 305 331 398 430 610 662 796 860 995 1220 1324 1655 1990 2623 3310 3980 5246 6620 8557 10492 12139 13115 14233 17114 20191 24278 26230 28466 34228 40382 42785 48556 52460 56932 60695 65869 71165 80764 85570 100955 121390 131738 142330 171140 201910 242780 263476 284660 329345 403820 521977 658690 868213 1043954 1317380 1736426 2087908 2609885 2832367 3472852 4018009 4341065 5219770 5664734 8036018 8682130 10439540 11329468 14161835 16072036 17364260 20090045 28323670 40180090 56647340 80360180 172774387 345548774 691097548 863871935 1727743870 3455487740