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420716700 = 223352155821
BaseRepresentation
bin11001000100111…
…010000010011100
31002022122121211000
4121010322002130
51330200413300
6105425230300
713266014205
oct3104720234
91068577730
10420716700
111a6535758
12b8a92390
1369215cc1
143dc385ac
1526e06c00
hex1913a09c

420716700 has 72 divisors (see below), whose sum is σ = 1352534960. Its totient is φ = 112190400.

The previous prime is 420716641. The next prime is 420716701. The reversal of 420716700 is 7617024.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420716701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75211 + ... + 80610.

Almost surely, 2420716700 is an apocalyptic number.

It is an amenable number.

420716700 is an abundant number, since it is smaller than the sum of its proper divisors (931818260).

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

420716700 is a wasteful number, since it uses less digits than its factorization.

420716700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155844 (or 155831 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 420716700 is about 20511.3797683140. The cubic root of 420716700 is about 749.3129708468.

The spelling of 420716700 in words is "four hundred twenty million, seven hundred sixteen thousand, seven hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 108 135 150 180 225 270 300 450 540 675 900 1350 2700 155821 311642 467463 623284 779105 934926 1402389 1558210 1869852 2337315 2804778 3116420 3895525 4207167 4674630 5609556 7011945 7791050 8414334 9349260 11686575 14023890 15582100 16828668 21035835 23373150 28047780 35059725 42071670 46746300 70119450 84143340 105179175 140238900 210358350 420716700