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674061285 = 3561736679
BaseRepresentation
bin101000001011010…
…101101111100101
31201222100212020210
4220023111233211
52340024430120
6150515250033
722463266152
oct5013255745
91658325223
10674061285
11316543247
121698a9919
13a9859b41
1465745229
153e29bce0
hex282d5be5

674061285 has 16 divisors (see below), whose sum is σ = 1096179840. Its totient is φ = 353605440.

The previous prime is 674061277. The next prime is 674061287. The reversal of 674061285 is 582160476.

It is not a de Polignac number, because 674061285 - 23 = 674061277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674061287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367425 + ... + 369254.

It is an arithmetic number, because the mean of its divisors is an integer number (68511240).

Almost surely, 2674061285 is an apocalyptic number.

It is an amenable number.

674061285 is a deficient number, since it is larger than the sum of its proper divisors (422118555).

674061285 is a wasteful number, since it uses less digits than its factorization.

674061285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736748.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 674061285 is about 25962.6902496640. The cubic root of 674061285 is about 876.7984929169.

The spelling of 674061285 in words is "six hundred seventy-four million, sixty-one thousand, two hundred eighty-five".

Divisors: 1 3 5 15 61 183 305 915 736679 2210037 3683395 11050185 44937419 134812257 224687095 674061285