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172096980 = 223511260753
BaseRepresentation
bin10100100000111…
…11110111010100
3102222211102200020
422100133313110
5323024100410
625024345140
74156541316
oct1220376724
9388742606
10172096980
1189165010
12497751b0
1329867943
1418bdb7b6
1510196a70
hexa41fdd4

172096980 has 48 divisors (see below), whose sum is σ = 525680064. Its totient is φ = 41720320.

The previous prime is 172096979. The next prime is 172096987. The reversal of 172096980 is 89690271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172096987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129717 + ... + 131036.

It is an arithmetic number, because the mean of its divisors is an integer number (10951668).

Almost surely, 2172096980 is an apocalyptic number.

172096980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172096980 is an abundant number, since it is smaller than the sum of its proper divisors (353583084).

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

172096980 is a wasteful number, since it uses less digits than its factorization.

172096980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260776 (or 260774 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 172096980 is about 13118.5738554158. The cubic root of 172096980 is about 556.2342792342.

The spelling of 172096980 in words is "one hundred seventy-two million, ninety-six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 260753 521506 782259 1043012 1303765 1564518 2607530 2868283 3129036 3911295 5215060 5736566 7822590 8604849 11473132 14341415 15645180 17209698 28682830 34419396 43024245 57365660 86048490 172096980