| Base | Representation |
|---|---|
| bin | 101000000100111… |
| … | …110100000011000 |
| 3 | 1201212020010010100 |
| 4 | 220010332200120 |
| 5 | 2334113040430 |
| 6 | 150415415400 |
| 7 | 22443151101 |
| oct | 5004764030 |
| 9 | 1655203110 |
| 10 | 672393240 |
| 11 | 315603aa2 |
| 12 | 169224560 |
| 13 | a93c482c |
| 14 | 6542d3a8 |
| 15 | 3e06c960 |
| hex | 2813e818 |
672393240 has 192 divisors, whose sum is σ = 2259185760. Its totient is φ = 173352960.
The previous prime is 672393229. The next prime is 672393251. The reversal of 672393240 is 42393276.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (672393229) and next prime (672393251).
It is a super-2 number, since 2×6723932402 = 904225338395395200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 672393195 and 672393204.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1471092 + ... + 1471548.
Almost surely, 2672393240 is an apocalyptic number.
672393240 is a gapful number since it is divisible by the number (60) 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 672393240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129592880).
672393240 is an abundant number, since it is smaller than the sum of its proper divisors (1586792520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672393240 is a wasteful number, since it uses less digits than its factorization.
672393240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 602 (or 595 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
The square root of 672393240 is about 25930.5464655105. The cubic root of 672393240 is about 876.0746480454.
Adding to 672393240 its sum of digits (36), we get a palindrome (672393276).
The spelling of 672393240 in words is "six hundred seventy-two million, three hundred ninety-three thousand, two hundred forty".
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