Search a number
-
+
4285684128 = 253117615333
BaseRepresentation
bin1111111101110010…
…0101100110100000
3102001200021022101210
43333130211212200
532234113343003
61545133030120
7211126466625
oct37734454640
912050238353
104285684128
1118aa17aa10
129b7325340
13533b7938b
142c927c34c
151a13a7503
hexff7259a0

4285684128 has 96 divisors (see below), whose sum is σ = 12291072192. Its totient is φ = 1296742400.

The previous prime is 4285684111. The next prime is 4285684129. The reversal of 4285684128 is 8214865824.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×42856841282 = 36734176889982240768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4285684129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800950 + ... + 806282.

It is an arithmetic number, because the mean of its divisors is an integer number (128032002).

Almost surely, 24285684128 is an apocalyptic number.

4285684128 is a gapful number since it is divisible by the number (48) 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 4285684128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6145536096).

4285684128 is an abundant number, since it is smaller than the sum of its proper divisors (8005388064).

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

4285684128 is a wasteful number, since it uses less digits than its factorization.

4285684128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118 (or 6110 counting only the distinct ones).

The product of its digits is 983040, while the sum is 48.

The square root of 4285684128 is about 65465.1367370450. The cubic root of 4285684128 is about 1624.3267115908.

The spelling of 4285684128 in words is "four billion, two hundred eighty-five million, six hundred eighty-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 761 1056 1522 2283 3044 4566 5333 6088 8371 9132 10666 12176 15999 16742 18264 21332 24352 25113 31998 33484 36528 42664 50226 58663 63996 66968 73056 85328 100452 117326 127992 133936 170656 175989 200904 234652 255984 267872 351978 401808 469304 511968 703956 803616 938608 1407912 1877216 2815824 4058413 5631648 8116826 12175239 16233652 24350478 32467304 44642543 48700956 64934608 89285086 97401912 129869216 133927629 178570172 194803824 267855258 357140344 389607648 535710516 714280688 1071421032 1428561376 2142842064 4285684128