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441420320 = 25511250807
BaseRepresentation
bin11010010011111…
…000101000100000
31010202121110211202
4122103320220200
51401000422240
6111445100332
713640003465
oct3223705040
91122543752
10441420320
11207196690
121039b76a8
13705b4773
14428a766c
1528b46315
hex1a4f8a20

441420320 has 48 divisors (see below), whose sum is σ = 1137665088. Its totient is φ = 160515840.

The previous prime is 441420319. The next prime is 441420337. The reversal of 441420320 is 23024144.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 441420292 and 441420301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123644 + ... + 127163.

It is an arithmetic number, because the mean of its divisors is an integer number (23701356).

Almost surely, 2441420320 is an apocalyptic number.

441420320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441420320 is an abundant number, since it is smaller than the sum of its proper divisors (696244768).

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

441420320 is a wasteful number, since it uses less digits than its factorization.

441420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250833 (or 250825 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 441420320 is about 21010.0052356014. The cubic root of 441420320 is about 761.4080085042.

Adding to 441420320 its reverse (23024144), we get a palindrome (464444464).

The spelling of 441420320 in words is "four hundred forty-one million, four hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 250807 501614 1003228 1254035 2006456 2508070 2758877 4012912 5016140 5517754 8025824 10032280 11035508 13794385 20064560 22071016 27588770 40129120 44142032 55177540 88284064 110355080 220710160 441420320