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674523070 = 251323433521
BaseRepresentation
bin101000001101000…
…110011110111110
31202000020022200221
4220031012132332
52340134214240
6150533211554
722500231364
oct5015063676
91660208627
10674523070
11316829191
12169a90bba
13a998c0a0
1465825634
153e33da4a
hex283467be

674523070 has 64 divisors (see below), whose sum is σ = 1370162304. Its totient is φ = 237219840.

The previous prime is 674523067. The next prime is 674523071. The reversal of 674523070 is 70325476.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674523071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294410 + ... + 1294930.

It is an arithmetic number, because the mean of its divisors is an integer number (21408786).

Almost surely, 2674523070 is an apocalyptic number.

674523070 is an abundant number, since it is smaller than the sum of its proper divisors (695639234).

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

674523070 is a wasteful number, since it uses less digits than its factorization.

674523070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 674523070 is about 25971.5819695297. The cubic root of 674523070 is about 876.9986725224.

The spelling of 674523070 in words is "six hundred seventy-four million, five hundred twenty-three thousand, seventy".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 433 521 598 866 1042 1495 2165 2605 2990 4330 5210 5629 6773 9959 11258 11983 13546 19918 23966 28145 33865 49795 56290 59915 67730 99590 119830 129467 155779 225593 258934 311558 451186 647335 778895 1127965 1294670 1557790 2255930 2932709 5188639 5865418 10377278 14663545 25943195 29327090 51886390 67452307 134904614 337261535 674523070