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4423940 = 225221197
BaseRepresentation
bin10000111000000100000100
322022202111122
4100320010010
52113031230
6234453112
752413533
oct20700404
98282448
104423940
112551854
121594198
13bbb821
1483231a
155c5be5
hex438104

4423940 has 12 divisors (see below), whose sum is σ = 9290316. Its totient is φ = 1769568.

The previous prime is 4423933. The next prime is 4423973. The reversal of 4423940 is 493244.

It can be written as a sum of positive squares in 2 ways, for example, as 495616 + 3928324 = 704^2 + 1982^2 .

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110579 + ... + 110618.

It is an arithmetic number, because the mean of its divisors is an integer number (774193).

Almost surely, 24423940 is an apocalyptic number.

It is an amenable number.

4423940 is an abundant number, since it is smaller than the sum of its proper divisors (4866376).

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

4423940 is a wasteful number, since it uses less digits than its factorization.

4423940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221206 (or 221204 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4423940 is about 2103.3164288808. The cubic root of 4423940 is about 164.1609069186.

The spelling of 4423940 in words is "four million, four hundred twenty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 221197 442394 884788 1105985 2211970 4423940