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172014012 = 22324778167
BaseRepresentation
bin10100100000010…
…11100110111100
3102222200012212100
422100023212330
5323013422022
625022505100
74156044402
oct1220134674
9388605770
10172014012
1189108745
1249735190
1329838c51
1418bb9472
151017c1ac
hexa40b9bc

172014012 has 18 divisors (see below), whose sum is σ = 434813288. Its totient is φ = 57337992.

The previous prime is 172013957. The next prime is 172014019. The reversal of 172014012 is 210410271.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1720140122 = 59177640648672288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172014019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2389048 + ... + 2389119.

Almost surely, 2172014012 is an apocalyptic number.

172014012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172014012 is an abundant number, since it is smaller than the sum of its proper divisors (262799276).

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

172014012 is a wasteful number, since it uses less digits than its factorization.

172014012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778177 (or 4778172 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 172014012 is about 13115.4112402166. The cubic root of 172014012 is about 556.1448779677.

Adding to 172014012 its reverse (210410271), we get a palindrome (382424283).

The spelling of 172014012 in words is "one hundred seventy-two million, fourteen thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 4778167 9556334 14334501 19112668 28669002 43003503 57338004 86007006 172014012