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471434440 = 23529478647
BaseRepresentation
bin11100000110011…
…000010011001000
31012212002100110211
4130012120103020
51431141400230
6114440250504
714453061301
oct3406302310
91185070424
10471434440
11222126744
12111a70a34
1376892cb9
144687b7a8
152b5c442a
hex1c1984c8

471434440 has 64 divisors (see below), whose sum is σ = 1120780800. Its totient is φ = 178176768.

The previous prime is 471434437. The next prime is 471434443. The reversal of 471434440 is 44434174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (471434437) and next prime (471434443).

It is a super-2 number, since 2×4714344402 = 444500862436227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (471434443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50197 + ... + 58843.

It is an arithmetic number, because the mean of its divisors is an integer number (17512200).

Almost surely, 2471434440 is an apocalyptic number.

471434440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 471434440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560390400).

471434440 is an abundant number, since it is smaller than the sum of its proper divisors (649346360).

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

471434440 is a wasteful number, since it uses less digits than its factorization.

471434440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8734 (or 8730 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 471434440 is about 21712.5410765299. The cubic root of 471434440 is about 778.2881810529.

The spelling of 471434440 in words is "four hundred seventy-one million, four hundred thirty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 47 58 94 116 145 188 232 235 290 376 470 580 940 1160 1363 1880 2726 5452 6815 8647 10904 13630 17294 27260 34588 43235 54520 69176 86470 172940 250763 345880 406409 501526 812818 1003052 1253815 1625636 2006104 2032045 2507630 3251272 4064090 5015260 8128180 10030520 11785861 16256360 23571722 47143444 58929305 94286888 117858610 235717220 471434440