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2421423680 = 265131633571
BaseRepresentation
bin1001000001010011…
…1111111001000000
320020202100001211112
42100110333321000
514424341024210
61040135302452
7114001522154
oct22024777100
96222301745
102421423680
1110329154a5
12576b1aa28
132c787a0a0
1418d839064
15e28a8d05
hex9053fe40

2421423680 has 112 divisors (see below), whose sum is σ = 6249399744. Its totient is φ = 888330240.

The previous prime is 2421423659. The next prime is 2421423703. The reversal of 2421423680 is 863241242.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 676295 + ... + 679865.

It is an arithmetic number, because the mean of its divisors is an integer number (55798212).

Almost surely, 22421423680 is an apocalyptic number.

2421423680 is a gapful number since it is divisible by the number (20) 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 2421423680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3124699872).

2421423680 is an abundant number, since it is smaller than the sum of its proper divisors (3827976064).

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

2421423680 is a wasteful number, since it uses less digits than its factorization.

2421423680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764 (or 3754 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2421423680 is about 49207.9635831437. The cubic root of 2421423680 is about 1342.8379150926.

The spelling of 2421423680 in words is "two billion, four hundred twenty-one million, four hundred twenty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 163 208 260 320 326 416 520 652 815 832 1040 1304 1630 2080 2119 2608 3260 3571 4160 4238 5216 6520 7142 8476 10432 10595 13040 14284 16952 17855 21190 26080 28568 33904 35710 42380 46423 52160 57136 67808 71420 84760 92846 114272 135616 142840 169520 185692 228544 232115 285680 339040 371384 464230 571360 582073 678080 742768 928460 1142720 1164146 1485536 1856920 2328292 2910365 2971072 3713840 4656584 5820730 7427680 7566949 9313168 11641460 14855360 15133898 18626336 23282920 30267796 37252672 37834745 46565840 60535592 75669490 93131680 121071184 151338980 186263360 242142368 302677960 484284736 605355920 1210711840 2421423680