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44672940 = 2232513171123
BaseRepresentation
bin1010101001101…
…0011110101100
310010001121202100
42222122132230
542414013230
64233255100
71051466544
oct252323654
9103047670
1044672940
1123242494
1212b64490
1393417c0
145d0c324
153dc6660
hex2a9a7ac

44672940 has 144 divisors (see below), whose sum is σ = 154653408. Its totient is φ = 10340352.

The previous prime is 44672911. The next prime is 44672941. The reversal of 44672940 is 4927644.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44672895 and 44672904.

It is not an unprimeable number, because it can be changed into a prime (44672941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39219 + ... + 40341.

It is an arithmetic number, because the mean of its divisors is an integer number (1073982).

Almost surely, 244672940 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 44672940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77326704).

44672940 is an abundant number, since it is smaller than the sum of its proper divisors (109980468).

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

44672940 is a wasteful number, since it uses less digits than its factorization.

44672940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 44672940 is about 6683.7818635859. The cubic root of 44672940 is about 354.8255176416.

The spelling of 44672940 in words is "forty-four million, six hundred seventy-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 30 34 36 39 45 51 52 60 65 68 78 85 90 102 117 130 153 156 170 180 195 204 221 234 255 260 306 340 390 442 468 510 585 612 663 765 780 884 1020 1105 1123 1170 1326 1530 1989 2210 2246 2340 2652 3060 3315 3369 3978 4420 4492 5615 6630 6738 7956 9945 10107 11230 13260 13476 14599 16845 19091 19890 20214 22460 29198 33690 38182 39780 40428 43797 50535 57273 58396 67380 72995 76364 87594 95455 101070 114546 131391 145990 171819 175188 190910 202140 218985 229092 248183 262782 286365 291980 343638 381820 437970 496366 525564 572730 656955 687276 744549 859095 875940 992732 1145460 1240915 1313910 1489098 1718190 2233647 2481830 2627820 2978196 3436380 3722745 4467294 4963660 7445490 8934588 11168235 14890980 22336470 44672940