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4072740 = 223579697
BaseRepresentation
bin1111100010010100100100
321122220202020
433202110210
52020311430
6223143140
746421610
oct17422444
97586666
104072740
112331a01
121444ab0
13ac7a09
14780340
15556b10
hex3e2524

4072740 has 48 divisors (see below), whose sum is σ = 13034112. Its totient is φ = 930816.

The previous prime is 4072721. The next prime is 4072751. The reversal of 4072740 is 472704.

It is a super-2 number, since 2×40727402 = 33174422215200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4072740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (271544).

Almost surely, 24072740 is an apocalyptic number.

It is an amenable number.

4072740 is an abundant number, since it is smaller than the sum of its proper divisors (8961372).

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

4072740 is a wasteful number, since it uses less digits than its factorization.

4072740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716 (or 9714 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 4072740 is about 2018.1030697167. The cubic root of 4072740 is about 159.6965603077.

The spelling of 4072740 in words is "four million, seventy-two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 9697 19394 29091 38788 48485 58182 67879 96970 116364 135758 145455 193940 203637 271516 290910 339395 407274 581820 678790 814548 1018185 1357580 2036370 4072740