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38573040 = 24351119769
BaseRepresentation
bin1001001100100…
…1001111110000
32200120201021010
42103021033300
534333314130
63454430520
7645602562
oct223111760
980521233
1038573040
111a856550
1210b02440
137cb71ac
1451a1332
1535be0b0
hex24c93f0

38573040 has 160 divisors (see below), whose sum is σ = 137491200. Its totient is φ = 8847360.

The previous prime is 38573033. The next prime is 38573053. The reversal of 38573040 is 4037583.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 38572989 and 38573007.

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, 49776 + ... + 50544.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 238573040 is an apocalyptic number.

38573040 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 38573040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68745600).

38573040 is an abundant number, since it is smaller than the sum of its proper divisors (98918160).

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

38573040 is a wasteful number, since it uses less digits than its factorization.

38573040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 38573040 is about 6210.7197650514. The cubic root of 38573040 is about 337.8790692809.

The spelling of 38573040 in words is "thirty-eight million, five hundred seventy-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 33 38 40 44 48 55 57 60 66 76 80 88 95 110 114 120 132 152 165 176 190 209 220 228 240 264 285 304 330 380 418 440 456 528 570 627 660 760 769 836 880 912 1045 1140 1254 1320 1520 1538 1672 2090 2280 2307 2508 2640 3076 3135 3344 3845 4180 4560 4614 5016 6152 6270 7690 8360 8459 9228 10032 11535 12304 12540 14611 15380 16720 16918 18456 23070 25080 25377 29222 30760 33836 36912 42295 43833 46140 50160 50754 58444 61520 67672 73055 84590 87666 92280 101508 116888 126885 135344 146110 160721 169180 175332 184560 203016 219165 233776 253770 292220 321442 338360 350664 406032 438330 482163 507540 584440 642884 676720 701328 803605 876660 964326 1015080 1168880 1285768 1607210 1753320 1928652 2030160 2410815 2571536 3214420 3506640 3857304 4821630 6428840 7714608 9643260 12857680 19286520 38573040