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4018980 = 2235721367
BaseRepresentation
bin1111010101001100100100
321120012000010
433111030210
52012101410
6222050220
746106100
oct17251444
97505003
104018980
1122a5579
121419970
13aa93c4
14768900
15545c20
hex3d5324

4018980 has 72 divisors (see below), whose sum is σ = 13099968. Its totient is φ = 917952.

The previous prime is 4018979. The next prime is 4018981. The reversal of 4018980 is 898104.

It is a happy number.

4018980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4018979) and next prime (4018981).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4018981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2257 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (181944).

Almost surely, 24018980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4018980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6549984).

4018980 is an abundant number, since it is smaller than the sum of its proper divisors (9080988).

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

4018980 is a wasteful number, since it uses less digits than its factorization.

4018980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 4018980 is about 2004.7393845585. The cubic root of 4018980 is about 158.9907830581.

The spelling of 4018980 in words is "four million, eighteen thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1367 1470 2734 2940 4101 5468 6835 8202 9569 13670 16404 19138 20505 27340 28707 38276 41010 47845 57414 66983 82020 95690 114828 133966 143535 191380 200949 267932 287070 334915 401898 574140 669830 803796 1004745 1339660 2009490 4018980