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214409172 = 223412631657
BaseRepresentation
bin11001100011110…
…01111111010100
3112221110010002110
430301321333110
5414342043142
633135311020
75212306425
oct1461717724
9487403073
10214409172
1110003486a
125b97b470
1335560a43
142069364c
1513c5399c
hexcc79fd4

214409172 has 48 divisors (see below), whose sum is σ = 514749312. Its totient is φ = 69419520.

The previous prime is 214409171. The next prime is 214409203. The reversal of 214409172 is 271904412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214409171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128568 + ... + 130224.

It is an arithmetic number, because the mean of its divisors is an integer number (10723944).

Almost surely, 2214409172 is an apocalyptic number.

It is an amenable number.

214409172 is an abundant number, since it is smaller than the sum of its proper divisors (300340140).

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

214409172 is a wasteful number, since it uses less digits than its factorization.

214409172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 214409172 is about 14642.7173707615. The cubic root of 214409172 is about 598.5233800816.

The spelling of 214409172 in words is "two hundred fourteen million, four hundred nine thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 263 492 526 789 1052 1578 1657 3156 3314 4971 6628 9942 10783 19884 21566 32349 43132 64698 67937 129396 135874 203811 271748 407622 435791 815244 871582 1307373 1743164 2614746 5229492 17867431 35734862 53602293 71469724 107204586 214409172