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4419395680 = 255712133253
BaseRepresentation
bin1000001110110101…
…01010000001100000
3102101222212120011111
410013122222001200
533022331130210
62010310553104
7214342146340
oct40732520140
912358776144
104419395680
1119686a7427
12a34068794
1355579433b
142dcd26d20
151aceba88a
hex1076aa060

4419395680 has 96 divisors (see below), whose sum is σ = 11945876544. Its totient is φ = 1513506816.

The previous prime is 4419395647. The next prime is 4419395683. The reversal of 4419395680 is 865939144.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4419395683) 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, 1356934 + ... + 1360186.

It is an arithmetic number, because the mean of its divisors is an integer number (124436214).

Almost surely, 24419395680 is an apocalyptic number.

4419395680 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 4419395680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5972938272).

4419395680 is an abundant number, since it is smaller than the sum of its proper divisors (7526480864).

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

4419395680 is a wasteful number, since it uses less digits than its factorization.

4419395680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4480 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 4419395680 is about 66478.5354832671. The cubic root of 4419395680 is about 1641.0467836275.

The spelling of 4419395680 in words is "four billion, four hundred nineteen million, three hundred ninety-five thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 1213 2426 3253 4852 6065 6506 8491 9704 12130 13012 16265 16982 19408 22771 24260 26024 32530 33964 38816 42455 45542 48520 52048 65060 67928 84910 91084 97040 104096 113855 130120 135856 169820 182168 194080 227710 260240 271712 339640 364336 455420 520480 679280 728672 910840 1358560 1821680 3643360 3945889 7891778 15783556 19729445 27621223 31567112 39458890 55242446 63134224 78917780 110484892 126268448 138106115 157835560 220969784 276212230 315671120 441939568 552424460 631342240 883879136 1104848920 2209697840 4419395680