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172001300 = 22521990527
BaseRepresentation
bin10100100000010…
…00100000010100
3102222122120102112
422100020200110
5323013020200
625022330152
74155662342
oct1220104024
9388576375
10172001300
11890aa139
1249729958
1329833223
1418bb4992
1510178535
hexa408814

172001300 has 36 divisors (see below), whose sum is σ = 392891520. Its totient is φ = 65178720.

The previous prime is 172001293. The next prime is 172001309. The reversal of 172001300 is 3100271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172001309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43364 + ... + 47163.

Almost surely, 2172001300 is an apocalyptic number.

172001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172001300 is an abundant number, since it is smaller than the sum of its proper divisors (220890220).

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

172001300 is a wasteful number, since it uses less digits than its factorization.

172001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90560 (or 90553 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 172001300 is about 13114.9266105457. The cubic root of 172001300 is about 556.1311777507.

Adding to 172001300 its reverse (3100271), we get a palindrome (175101571).

The spelling of 172001300 in words is "one hundred seventy-two million, one thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 90527 181054 362108 452635 905270 1720013 1810540 2263175 3440026 4526350 6880052 8600065 9052700 17200130 34400260 43000325 86000650 172001300