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214140270 = 2357138009
BaseRepresentation
bin11001100001110…
…00010101101110
3112220221110020010
430300320111232
5414304442040
633125434050
75210106441
oct1460702556
9486843203
10214140270
11aa970833
125b86b926
1335498526
1420623658
1513bede80
hexcc3856e

214140270 has 16 divisors (see below), whose sum is σ = 513936720. Its totient is φ = 57104064.

The previous prime is 214140239. The next prime is 214140271. The reversal of 214140270 is 72041412.

It is a happy number.

214140270 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (214140271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3568975 + ... + 3569034.

It is an arithmetic number, because the mean of its divisors is an integer number (32121045).

Almost surely, 2214140270 is an apocalyptic number.

214140270 is an abundant number, since it is smaller than the sum of its proper divisors (299796450).

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

214140270 is a wasteful number, since it uses less digits than its factorization.

214140270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138019.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 214140270 is about 14633.5323828527. The cubic root of 214140270 is about 598.2730620219.

Adding to 214140270 its reverse (72041412), we get a palindrome (286181682).

The spelling of 214140270 in words is "two hundred fourteen million, one hundred forty thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 7138009 14276018 21414027 35690045 42828054 71380090 107070135 214140270