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23798040 = 2335741691
BaseRepresentation
bin101101011001…
…0000100011000
31122210001202220
41122302010120
522043014130
62210024040
7406165020
oct132620430
948701686
1023798040
1112484902
127b78020
134c130a6
143236a80
152151410
hex16b2118

23798040 has 128 divisors (see below), whose sum is σ = 83704320. Its totient is φ = 5299200.

The previous prime is 23798023. The next prime is 23798059. The reversal of 23798040 is 4089732.

It is a junction number, because it is equal to n+sod(n) for n = 23797992 and 23798010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34095 + ... + 34785.

It is an arithmetic number, because the mean of its divisors is an integer number (653940).

Almost surely, 223798040 is an apocalyptic number.

23798040 is a gapful number since it is divisible by the number (20) 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 23798040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41852160).

23798040 is an abundant number, since it is smaller than the sum of its proper divisors (59906280).

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

23798040 is a wasteful number, since it uses less digits than its factorization.

23798040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 23798040 is about 4878.3234825091. The cubic root of 23798040 is about 287.6385318515.

The spelling of 23798040 in words is "twenty-three million, seven hundred ninety-eight thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 41 42 56 60 70 82 84 105 120 123 140 164 168 205 210 246 280 287 328 410 420 492 574 615 691 820 840 861 984 1148 1230 1382 1435 1640 1722 2073 2296 2460 2764 2870 3444 3455 4146 4305 4837 4920 5528 5740 6888 6910 8292 8610 9674 10365 11480 13820 14511 16584 17220 19348 20730 24185 27640 28331 29022 34440 38696 41460 48370 56662 58044 72555 82920 84993 96740 113324 116088 141655 145110 169986 193480 198317 226648 283310 290220 339972 396634 424965 566620 580440 594951 679944 793268 849930 991585 1133240 1189902 1586536 1699860 1983170 2379804 2974755 3399720 3966340 4759608 5949510 7932680 11899020 23798040