Search a number
-
+
67245345 = 325292272
BaseRepresentation
bin1000000001000…
…01010100100001
311200112102021100
410000201110201
5114203322340
610401145013
71444401366
oct400412441
9150472240
1067245345
1134a5a472
121a62b169
1310c15a5b
148d0646d
155d84830
hex4021521

67245345 has 36 divisors (see below), whose sum is σ = 121111380. Its totient is φ = 34474944.

The previous prime is 67245341. The next prime is 67245349. The reversal of 67245345 is 54354276.

It is an interprime number because it is at equal distance from previous prime (67245341) and next prime (67245349).

It can be written as a sum of positive squares in 2 ways, for example, as 29680704 + 37564641 = 5448^2 + 6129^2 .

It is not a de Polignac number, because 67245345 - 22 = 67245341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67245341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 296122 + ... + 296348.

It is an arithmetic number, because the mean of its divisors is an integer number (3364205).

Almost surely, 267245345 is an apocalyptic number.

It is an amenable number.

67245345 is a deficient number, since it is larger than the sum of its proper divisors (53866035).

67245345 is a wasteful number, since it uses less digits than its factorization.

67245345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 264 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 67245345 is about 8200.3259081576. The cubic root of 67245345 is about 406.6499675875.

The spelling of 67245345 in words is "sixty-seven million, two hundred forty-five thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 29 45 87 145 227 261 435 681 1135 1305 2043 3405 6583 10215 19749 32915 51529 59247 98745 154587 257645 296235 463761 772935 1494341 2318805 4483023 7471705 13449069 22415115 67245345