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4022880 = 253517229
BaseRepresentation
bin1111010110001001100000
321120101100120
433112021200
52012213010
6222120240
746123341
oct17261140
97511316
104022880
1122a84a4
121420080
13aab104
1476a0c8
15546e70
hex3d6260

4022880 has 144 divisors (see below), whose sum is σ = 13925520. Its totient is φ = 974848.

The previous prime is 4022873. The next prime is 4022891. The reversal of 4022880 is 882204.

4022880 = T1 + T2 + ... + T288.

4022880 is a nontrivial binomial coefficient, being equal to C(290, 3).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4022880.

It is a congruent number.

It is an unprimeable number.

It is the 288-th tetrahedral number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138706 + ... + 138734.

It is an arithmetic number, because the mean of its divisors is an integer number (96705).

Almost surely, 24022880 is an apocalyptic number.

4022880 is a gapful number since it is divisible by the number (40) 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 4022880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6962760).

4022880 is an abundant number, since it is smaller than the sum of its proper divisors (9902640).

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

4022880 is a wasteful number, since it uses less digits than its factorization.

4022880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 4022880 is about 2005.7118437104. The cubic root of 4022880 is about 159.0421944107.

The spelling of 4022880 in words is "four million, twenty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 29 30 32 34 40 48 51 58 60 68 80 85 87 96 102 116 120 136 145 160 170 174 204 232 240 255 272 289 290 340 348 408 435 464 480 493 510 544 578 580 680 696 816 867 870 928 986 1020 1156 1160 1360 1392 1445 1479 1632 1734 1740 1972 2040 2312 2320 2465 2720 2784 2890 2958 3468 3480 3944 4080 4335 4624 4640 4930 5780 5916 6936 6960 7395 7888 8160 8381 8670 9248 9860 11560 11832 13872 13920 14790 15776 16762 17340 19720 23120 23664 25143 27744 29580 33524 34680 39440 41905 46240 47328 50286 59160 67048 69360 78880 83810 100572 118320 125715 134096 138720 167620 201144 236640 251430 268192 335240 402288 502860 670480 804576 1005720 1340960 2011440 4022880