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426233440 = 2557933721
BaseRepresentation
bin11001011001111…
…100111001100000
31002201000220100201
4121121330321200
51333103432230
6110143354544
713363632043
oct3131747140
91081026321
10426233440
111a9663546
12ba8b2a54
136a3c8049
1440872c5a
15276465ca
hex1967ce60

426233440 has 48 divisors (see below), whose sum is σ = 1019753280. Its totient is φ = 168330240.

The previous prime is 426233429. The next prime is 426233443. The reversal of 426233440 is 44332624.

It is a junction number, because it is equal to n+sod(n) for n = 426233399 and 426233408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426233443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221 + ... + 29500.

It is an arithmetic number, because the mean of its divisors is an integer number (21244860).

Almost surely, 2426233440 is an apocalyptic number.

426233440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426233440 is an abundant number, since it is smaller than the sum of its proper divisors (593519840).

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

426233440 is a wasteful number, since it uses less digits than its factorization.

426233440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33815 (or 33807 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 426233440 is about 20645.4217685181. The cubic root of 426233440 is about 752.5739356278.

The spelling of 426233440 in words is "four hundred twenty-six million, two hundred thirty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 79 80 158 160 316 395 632 790 1264 1580 2528 3160 6320 12640 33721 67442 134884 168605 269768 337210 539536 674420 1079072 1348840 2663959 2697680 5327918 5395360 10655836 13319795 21311672 26639590 42623344 53279180 85246688 106558360 213116720 426233440