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804421488 = 243132944453
BaseRepresentation
bin101111111100100…
…111111101110000
32002001122211211110
4233330213331300
53121412441423
6211453313320
725635320103
oct5774477560
92061584743
10804421488
11383090852
121a5495840
13ca870560
1478b9a73a
154a94c193
hex2ff27f70

804421488 has 80 divisors (see below), whose sum is σ = 2315164320. Its totient is φ = 238973952.

The previous prime is 804421447. The next prime is 804421493. The reversal of 804421488 is 884124408.

It is a super-2 number, since 2×8044214882 = 1294187860712268288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4131 + ... + 40322.

It is an arithmetic number, because the mean of its divisors is an integer number (28939554).

Almost surely, 2804421488 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 804421488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157582160).

804421488 is an abundant number, since it is smaller than the sum of its proper divisors (1510742832).

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

804421488 is a wasteful number, since it uses less digits than its factorization.

804421488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44506 (or 44500 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 804421488 is about 28362.3251515104. The cubic root of 804421488 is about 930.0248530761.

The spelling of 804421488 in words is "eight hundred four million, four hundred twenty-one thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 29 39 48 52 58 78 87 104 116 156 174 208 232 312 348 377 464 624 696 754 1131 1392 1508 2262 3016 4524 6032 9048 18096 44453 88906 133359 177812 266718 355624 533436 577889 711248 1066872 1155778 1289137 1733667 2133744 2311556 2578274 3467334 3867411 4623112 5156548 6934668 7734822 9246224 10313096 13869336 15469644 16758781 20626192 27738672 30939288 33517562 50276343 61878576 67035124 100552686 134070248 201105372 268140496 402210744 804421488