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4071020 = 225297019
BaseRepresentation
bin1111100001111001101100
321122211101112
433201321230
52020233040
6223131152
746413602
oct17417154
97584345
104071020
112330688
121443ab8
13ac6cb5
1477d872
15556365
hex3e1e6c

4071020 has 24 divisors (see below), whose sum is σ = 8845200. Its totient is φ = 1572032.

The previous prime is 4071019. The next prime is 4071031. The reversal of 4071020 is 201704.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4070986 and 4071004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 24071020 is an apocalyptic number.

It is an amenable number.

4071020 is an abundant number, since it is smaller than the sum of its proper divisors (4774180).

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

4071020 is a wasteful number, since it uses less digits than its factorization.

4071020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 4071020 is about 2017.6768819610. The cubic root of 4071020 is about 159.6740761193.

Adding to 4071020 its reverse (201704), we get a palindrome (4272724).

The spelling of 4071020 in words is "four million, seventy-one thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 7019 14038 28076 35095 70190 140380 203551 407102 814204 1017755 2035510 4071020