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4120072 = 231146819
BaseRepresentation
bin1111101101111000001000
321202022200021
433231320020
52023320242
6224150224
750006605
oct17557010
97668607
104120072
112364520
121468374
13b13418
147936ac
15565b67
hex3ede08

4120072 has 16 divisors (see below), whose sum is σ = 8427600. Its totient is φ = 1872720.

The previous prime is 4120033. The next prime is 4120079. The reversal of 4120072 is 2700214.

It is not an unprimeable number, because it can be changed into a prime (4120079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23322 + ... + 23497.

It is an arithmetic number, because the mean of its divisors is an integer number (526725).

Almost surely, 24120072 is an apocalyptic number.

It is an amenable number.

4120072 is an abundant number, since it is smaller than the sum of its proper divisors (4307528).

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

4120072 is a wasteful number, since it uses less digits than its factorization.

4120072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46836 (or 46832 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4120072 is about 2029.7960488680. The cubic root of 4120072 is about 160.3128254778.

Adding to 4120072 its reverse (2700214), we get a palindrome (6820286).

The spelling of 4120072 in words is "four million, one hundred twenty thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 46819 93638 187276 374552 515009 1030018 2060036 4120072