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676743900 = 2235272192423
BaseRepresentation
bin101000010101100…
…100101011011100
31202011102011002220
4220111210223130
52341221301100
6151052545340
722525141200
oct5025445334
91664364086
10676743900
11318005788
1216a782250
13aa288ba1
1465c42b00
153e62baa0
hex28564adc

676743900 has 216 divisors, whose sum is σ = 2398596480. Its totient is φ = 146482560.

The previous prime is 676743853. The next prime is 676743901. The reversal of 676743900 is 9347676.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676743901) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 278089 + ... + 280511.

Almost surely, 2676743900 is an apocalyptic number.

676743900 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 676743900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199298240).

676743900 is an abundant number, since it is smaller than the sum of its proper divisors (1721852580).

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

676743900 is a wasteful number, since it uses less digits than its factorization.

676743900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 676743900 is about 26014.3018357211. The cubic root of 676743900 is about 877.9601080527.

The spelling of 676743900 in words is "six hundred seventy-six million, seven hundred forty-three thousand, nine hundred".