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8012340 = 2232576359
BaseRepresentation
bin11110100100001000110100
3120002001212100
4132210020310
54022343330
6443422100
7125050410
oct36441064
916061770
108012340
114582876
122824930
131876c3b
1410c7d40
15a84060
hex7a4234

8012340 has 72 divisors (see below), whose sum is σ = 27780480. Its totient is φ = 1831104.

The previous prime is 8012317. The next prime is 8012341. The reversal of 8012340 is 432108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1920 + ... + 4439.

It is an arithmetic number, because the mean of its divisors is an integer number (385840).

Almost surely, 28012340 is an apocalyptic number.

It is an amenable number.

8012340 is an abundant number, since it is smaller than the sum of its proper divisors (19768140).

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

8012340 is a wasteful number, since it uses less digits than its factorization.

8012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8012340 is about 2830.6077086025. The cubic root of 8012340 is about 200.1027805051.

Adding to 8012340 its reverse (432108), we get a palindrome (8444448).

The spelling of 8012340 in words is "eight million, twelve thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 6359 12718 19077 25436 31795 38154 44513 57231 63590 76308 89026 95385 114462 127180 133539 178052 190770 222565 228924 267078 286155 381540 400617 445130 534156 572310 667695 801234 890260 1144620 1335390 1602468 2003085 2670780 4006170 8012340