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674383872 = 21131953109
BaseRepresentation
bin101000001100100…
…100100000000000
31201222222020202110
4220030210200000
52340120240442
6150530215320
722466111511
oct5014444000
91658866673
10674383872
11316743648
12169a24540
13a9940916
14657caa08
153e31269c
hex28324800

674383872 has 192 divisors, whose sum is σ = 1945944000. Its totient is φ = 207028224.

The previous prime is 674383861. The next prime is 674383873. The reversal of 674383872 is 278383476.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

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

It is not an unprimeable number, because it can be changed into a prime (674383873) 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 15 ways as a sum of consecutive naturals, for example, 6186954 + ... + 6187062.

It is an arithmetic number, because the mean of its divisors is an integer number (10135125).

Almost surely, 2674383872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674383872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972972000).

674383872 is an abundant number, since it is smaller than the sum of its proper divisors (1271560128).

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

674383872 is a wasteful number, since it uses less digits than its factorization.

674383872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 186 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 674383872 is about 25968.9020176056. The cubic root of 674383872 is about 876.9383410748.

The spelling of 674383872 in words is "six hundred seventy-four million, three hundred eighty-three thousand, eight hundred seventy-two".