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67260340 = 2257268633
BaseRepresentation
bin1000000001001…
…00111110110100
311200120011211201
410000210332310
5114204312330
610401342244
71444463200
oct400447664
9150504751
1067260340
1134a6a764
121a637984
1310c1c824
148d0bb00
155d88eca
hex4024fb4

67260340 has 36 divisors (see below), whose sum is σ = 164309796. Its totient is φ = 23060352.

The previous prime is 67260329. The next prime is 67260371. The reversal of 67260340 is 4306276.

It can be written as a sum of positive squares in 2 ways, for example, as 37601424 + 29658916 = 6132^2 + 5446^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 67260299 and 67260308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33337 + ... + 35296.

It is an arithmetic number, because the mean of its divisors is an integer number (4564161).

Almost surely, 267260340 is an apocalyptic number.

It is an amenable number.

67260340 is an abundant number, since it is smaller than the sum of its proper divisors (97049456).

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

67260340 is a wasteful number, since it uses less digits than its factorization.

67260340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68656 (or 68647 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 67260340 is about 8201.2401501236. The cubic root of 67260340 is about 406.6801915535.

It can be divided in two parts, 67260 and 340, that added together give a square (67600 = 2602).

The spelling of 67260340 in words is "sixty-seven million, two hundred sixty thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 68633 137266 274532 343165 480431 686330 960862 1372660 1921724 2402155 3363017 4804310 6726034 9608620 13452068 16815085 33630170 67260340