Search a number
-
+
674241984 = 263213127709
BaseRepresentation
bin101000001100000…
…001110111000000
31201222201001010100
4220030001313000
52340101220414
6150523202400
722464651033
oct5014016700
91658631110
10674241984
11316656a89
12169976400
13a98c1170
146579101a
153e2d5609
hex28301dc0

674241984 has 168 divisors, whose sum is σ = 2100600320. Its totient is φ = 205535232.

The previous prime is 674241979. The next prime is 674242001. The reversal of 674241984 is 489142476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 950622 + ... + 951330.

Almost surely, 2674241984 is an apocalyptic number.

674241984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674241984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050300160).

674241984 is an abundant number, since it is smaller than the sum of its proper divisors (1426358336).

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

674241984 is a wasteful number, since it uses less digits than its factorization.

674241984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 854 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 674241984 is about 25966.1699909709. The cubic root of 674241984 is about 876.8768351779.

The spelling of 674241984 in words is "six hundred seventy-four million, two hundred forty-one thousand, nine hundred eighty-four".