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386093720 = 23541475009
BaseRepresentation
bin10111000000110…
…101001010011000
3222220111121000102
4113000311022120
51242314444340
6102151154532
712365512445
oct2700651230
9886447012
10386093720
11188a37a21
12a9375a48
1361cb2a2c
14393c49cc
1523d68215
hex17035298

386093720 has 64 divisors (see below), whose sum is σ = 909014400. Its totient is φ = 147435520.

The previous prime is 386093713. The next prime is 386093789. The reversal of 386093720 is 27390683.

It is a congruent number.

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, 74576 + ... + 79584.

It is an arithmetic number, because the mean of its divisors is an integer number (14203350).

Almost surely, 2386093720 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 386093720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454507200).

386093720 is an abundant number, since it is smaller than the sum of its proper divisors (522920680).

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

386093720 is a wasteful number, since it uses less digits than its factorization.

386093720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108 (or 5104 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 386093720 is about 19649.2676708319. The cubic root of 386093720 is about 728.1668649018.

The spelling of 386093720 in words is "three hundred eighty-six million, ninety-three thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 47 82 94 164 188 205 235 328 376 410 470 820 940 1640 1880 1927 3854 5009 7708 9635 10018 15416 19270 20036 25045 38540 40072 50090 77080 100180 200360 205369 235423 410738 470846 821476 941692 1026845 1177115 1642952 1883384 2053690 2354230 4107380 4708460 8214760 9416920 9652343 19304686 38609372 48261715 77218744 96523430 193046860 386093720