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417780680 = 23573314249
BaseRepresentation
bin11000111001101…
…101001111001000
31002010010110100112
4120321231033020
51323422440210
6105242253452
713232035322
oct3071551710
91063113315
10417780680
111a490a899
12b7ab7288
1368728805
143d6b2612
1526a26d05
hex18e6d3c8

417780680 has 32 divisors (see below), whose sum is σ = 941355000. Its totient is φ = 166872576.

The previous prime is 417780667. The next prime is 417780691. The reversal of 417780680 is 86087714.

It can be written as a sum of positive squares in 4 ways, for example, as 417548356 + 232324 = 20434^2 + 482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22196 + ... + 36444.

Almost surely, 2417780680 is an apocalyptic number.

417780680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

417780680 is an abundant number, since it is smaller than the sum of its proper divisors (523574320).

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

417780680 is a wasteful number, since it uses less digits than its factorization.

417780680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993 (or 14989 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 417780680 is about 20439.6839505898. The cubic root of 417780680 is about 747.5658446936.

The spelling of 417780680 in words is "four hundred seventeen million, seven hundred eighty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 733 1466 2932 3665 5864 7330 14249 14660 28498 29320 56996 71245 113992 142490 284980 569960 10444517 20889034 41778068 52222585 83556136 104445170 208890340 417780680