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386430044 = 2271113103937
BaseRepresentation
bin10111000010000…
…111010001011100
3222221010200100212
4113002013101130
51242411230134
6102202311552
712401413130
oct2702072134
9887120325
10386430044
11189147680
12a94b85b8
136209cb40
14394713c0
1523dd2bce
hex1708745c

386430044 has 96 divisors (see below), whose sum is σ = 917769216. Its totient is φ = 137479680.

The previous prime is 386430041. The next prime is 386430047. The reversal of 386430044 is 440034683.

It is an interprime number because it is at equal distance from previous prime (386430041) and next prime (386430047).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386430041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411944 + ... + 412880.

It is an arithmetic number, because the mean of its divisors is an integer number (9560096).

Almost surely, 2386430044 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 386430044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458884608).

386430044 is an abundant number, since it is smaller than the sum of its proper divisors (531339172).

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

386430044 is a wasteful number, since it uses less digits than its factorization.

386430044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 386430044 is about 19657.8239894450. The cubic root of 386430044 is about 728.3782375159.

The spelling of 386430044 in words is "three hundred eighty-six million, four hundred thirty thousand, forty-four".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 103 143 154 182 206 286 308 364 412 572 721 937 1001 1133 1339 1442 1874 2002 2266 2678 2884 3748 4004 4532 5356 6559 7931 9373 10307 12181 13118 14729 15862 18746 20614 24362 26236 29458 31724 37492 41228 48724 58916 72149 85267 96511 103103 133991 144298 170534 193022 206206 267982 288596 341068 386044 412412 535964 675577 937937 1061621 1254643 1351154 1875874 2123242 2509286 2702308 3751748 4246484 5018572 7431347 8782501 13801073 14862694 17565002 27602146 29725388 35130004 55204292 96607511 193215022 386430044