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3022740 = 2232572399
BaseRepresentation
bin1011100001111110010100
312200120102100
423201332110
51233211430
6144442100
734456440
oct13417624
95616370
103022740
111785036
121019330
1381ab06
14589820
153ea960
hex2e1f94

3022740 has 72 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 690624.

The previous prime is 3022697. The next prime is 3022751. The reversal of 3022740 is 472203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (145600).

Almost surely, 23022740 is an apocalyptic number.

3022740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3022740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5241600).

3022740 is an abundant number, since it is smaller than the sum of its proper divisors (7460460).

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

3022740 is a wasteful number, since it uses less digits than its factorization.

3022740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3022740 is about 1738.6028873783. The cubic root of 3022740 is about 144.5884485415.

Adding to 3022740 its reverse (472203), we get a palindrome (3494943).

The spelling of 3022740 in words is "three million, twenty-two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 2399 4798 7197 9596 11995 14394 16793 21591 23990 28788 33586 35985 43182 47980 50379 67172 71970 83965 86364 100758 107955 143940 151137 167930 201516 215910 251895 302274 335860 431820 503790 604548 755685 1007580 1511370 3022740