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675705240 = 2335579931
BaseRepresentation
bin101000010001100…
…111000110011000
31202002110101100000
4220101213012120
52340440031430
6151014413000
722513254060
oct5021470630
91662411300
10675705240
11317466391
1216a361160
13a9cb41b2
1465a523a0
153e4c3e60
hex28467198

675705240 has 192 divisors, whose sum is σ = 2602978560. Its totient is φ = 154431360.

The previous prime is 675705223. The next prime is 675705257. The reversal of 675705240 is 42507576.

675705240 is a `hidden beast` number, since 67 + 5 + 70 + 524 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (675705223) and next prime (675705257).

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 = 675705195 and 675705204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63075 + ... + 73005.

It is an arithmetic number, because the mean of its divisors is an integer number (13557180).

Almost surely, 2675705240 is an apocalyptic number.

675705240 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 675705240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301489280).

675705240 is an abundant number, since it is smaller than the sum of its proper divisors (1927273320).

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

675705240 is a wasteful number, since it uses less digits than its factorization.

675705240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9964 (or 9948 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 675705240 is about 25994.3309204142. The cubic root of 675705240 is about 877.5107165029.

The spelling of 675705240 in words is "six hundred seventy-five million, seven hundred five thousand, two hundred forty".