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672886032 = 243721359373
BaseRepresentation
bin101000000110110…
…110110100010000
31201220011011002220
4220012312310100
52334224323112
6150434141040
722450302600
oct5006666420
91656134086
10672886032
11315910265
12169421780
13a9537c20
146551ac00
153e11898c
hex281b6d10

672886032 has 240 divisors, whose sum is σ = 2220482880. Its totient is φ = 173988864.

The previous prime is 672886021. The next prime is 672886037. The reversal of 672886032 is 230688276.

It is a super-2 number, since 2×6728860322 = 905551224121410048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (672886037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1803798 + ... + 1804170.

It is an arithmetic number, because the mean of its divisors is an integer number (9252012).

Almost surely, 2672886032 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 672886032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1110241440).

672886032 is an abundant number, since it is smaller than the sum of its proper divisors (1547596848).

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

672886032 is a wasteful number, since it uses less digits than its factorization.

672886032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 672886032 is about 25940.0468773670. The cubic root of 672886032 is about 876.2886186440.

The spelling of 672886032 in words is "six hundred seventy-two million, eight hundred eighty-six thousand, thirty-two".