Search a number
-
+
672928512 = 2835914851
BaseRepresentation
bin101000000111000…
…001001100000000
31201220020022101020
4220013001030000
52334232203022
6150435105440
722450540464
oct5007011400
91656208336
10672928512
1131593a173
12169442280
13a9551369
146552c4a4
153e12635c
hex281c1300

672928512 has 72 divisors (see below), whose sum is σ = 1821449280. Its totient is φ = 220492800.

The previous prime is 672928511. The next prime is 672928513. The reversal of 672928512 is 215829276.

It is an interprime number because it is at equal distance from previous prime (672928511) and next prime (672928513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672928511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37887 + ... + 52737.

Almost surely, 2672928512 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 672928512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910724640).

672928512 is an abundant number, since it is smaller than the sum of its proper divisors (1148520768).

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

672928512 is a wasteful number, since it uses less digits than its factorization.

672928512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14929 (or 14915 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 672928512 is about 25940.8656756092. The cubic root of 672928512 is about 876.3070585954.

The spelling of 672928512 in words is "six hundred seventy-two million, nine hundred twenty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 59 64 96 118 128 177 192 236 256 354 384 472 708 768 944 1416 1888 2832 3776 5664 7552 11328 14851 15104 22656 29702 44553 45312 59404 89106 118808 178212 237616 356424 475232 712848 876209 950464 1425696 1752418 1900928 2628627 2851392 3504836 3801856 5257254 5702784 7009672 10514508 11405568 14019344 21029016 28038688 42058032 56077376 84116064 112154752 168232128 224309504 336464256 672928512