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214245142 = 2151709421
BaseRepresentation
bin11001100010100…
…01111100010110
3112221010210002021
430301101330112
5414321321032
633132003354
75211024256
oct1461217426
9487123067
10214245142
11aaa32601
125b90055a
1335504197
142064d966
1513c20097
hexcc51f16

214245142 has 8 divisors (see below), whose sum is σ = 323496432. Its totient is φ = 106413000.

The previous prime is 214245113. The next prime is 214245149. The reversal of 214245142 is 241542412.

214245142 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214245149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354409 + ... + 355012.

It is an arithmetic number, because the mean of its divisors is an integer number (40437054).

Almost surely, 2214245142 is an apocalyptic number.

214245142 is a deficient number, since it is larger than the sum of its proper divisors (109251290).

214245142 is a wasteful number, since it uses less digits than its factorization.

214245142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709574.

The product of its digits is 2560, while the sum is 25.

The square root of 214245142 is about 14637.1152212449. The cubic root of 214245142 is about 598.3707111828.

Adding to 214245142 its reverse (241542412), we get a palindrome (455787554).

The spelling of 214245142 in words is "two hundred fourteen million, two hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 151 302 709421 1418842 107122571 214245142