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4071080 = 235137829
BaseRepresentation
bin1111100001111010101000
321122211110202
433201322220
52020233310
6223131332
746414016
oct17417250
97584422
104071080
112330732
121443b48
13ac7030
1477d8b6
155563a5
hex3e1ea8

4071080 has 32 divisors (see below), whose sum is σ = 9865800. Its totient is φ = 1502976.

The previous prime is 4071077. The next prime is 4071097. The reversal of 4071080 is 801704.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1705636 + 2365444 = 1306^2 + 1538^2 .

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

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, 3395 + ... + 4434.

Almost surely, 24071080 is an apocalyptic number.

4071080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4071080 is an abundant number, since it is smaller than the sum of its proper divisors (5794720).

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

4071080 is a wasteful number, since it uses less digits than its factorization.

4071080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 4071080 is about 2017.6917504911. The cubic root of 4071080 is about 159.6748605580.

Adding to 4071080 its reverse (801704), we get a palindrome (4872784).

The spelling of 4071080 in words is "four million, seventy-one thousand, eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 7829 15658 31316 39145 62632 78290 101777 156580 203554 313160 407108 508885 814216 1017770 2035540 4071080