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8007930 = 2335719223
BaseRepresentation
bin11110100011000011111010
3120001211211000
4132203003322
54022223210
6443345430
7125031510
oct36430372
916054730
108007930
11457a527
122822276
131874c28
1410c64b0
15a82ac0
hex7a30fa

8007930 has 128 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 1726272.

The previous prime is 8007917. The next prime is 8007931. The reversal of 8007930 is 397008.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 8007894 and 8007903.

It is not an unprimeable number, because it can be changed into a prime (8007931) 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 63 ways as a sum of consecutive naturals, for example, 35799 + ... + 36021.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 28007930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8007930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902400).

8007930 is an abundant number, since it is smaller than the sum of its proper divisors (17796870).

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

8007930 is a wasteful number, since it uses less digits than its factorization.

8007930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 8007930 is about 2829.8286167187. The cubic root of 8007930 is about 200.0660615103.

The spelling of 8007930 in words is "eight million, seven thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 19 21 27 30 35 38 42 45 54 57 63 70 90 95 105 114 126 133 135 171 189 190 210 223 266 270 285 315 342 378 399 446 513 570 630 665 669 798 855 945 1026 1115 1197 1330 1338 1561 1710 1890 1995 2007 2230 2394 2565 3122 3345 3591 3990 4014 4237 4683 5130 5985 6021 6690 7182 7805 8474 9366 10035 11970 12042 12711 14049 15610 17955 20070 21185 23415 25422 28098 29659 30105 35910 38133 42147 42370 46830 59318 60210 63555 70245 76266 84294 88977 114399 127110 140490 148295 177954 190665 210735 228798 266931 296590 381330 421470 444885 533862 571995 800793 889770 1143990 1334655 1601586 2669310 4003965 8007930