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45897420 = 22352379421
BaseRepresentation
bin1010111100010…
…1011011001100
310012100211102110
42233011123030
543222204140
64315424020
71065056502
oct257053314
9105324373
1045897420
11239a9458
1213455010
13967cc4a
14614a672
154069380
hex2bc56cc

45897420 has 96 divisors (see below), whose sum is σ = 136120320. Its totient is φ = 11531520.

The previous prime is 45897403. The next prime is 45897431. The reversal of 45897420 is 2479854.

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, 108810 + ... + 109230.

It is an arithmetic number, because the mean of its divisors is an integer number (1417920).

Almost surely, 245897420 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 45897420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68060160).

45897420 is an abundant number, since it is smaller than the sum of its proper divisors (90222900).

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

45897420 is a wasteful number, since it uses less digits than its factorization.

45897420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 45897420 is about 6774.7634645056. The cubic root of 45897420 is about 358.0382489849.

The spelling of 45897420 in words is "forty-five million, eight hundred ninety-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 79 92 115 138 158 230 237 276 316 345 395 421 460 474 690 790 842 948 1185 1263 1380 1580 1684 1817 2105 2370 2526 3634 4210 4740 5052 5451 6315 7268 8420 9085 9683 10902 12630 18170 19366 21804 25260 27255 29049 33259 36340 38732 48415 54510 58098 66518 96830 99777 109020 116196 133036 145245 166295 193660 199554 290490 332590 399108 498885 580980 665180 764957 997770 1529914 1995540 2294871 3059828 3824785 4589742 7649570 9179484 11474355 15299140 22948710 45897420