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214143402 = 23114097933
BaseRepresentation
bin11001100001110…
…01000110101010
3112220221121112010
430300321012222
5414310042102
633125500350
75210121534
oct1460710652
9486847463
10214143402
11aa973120
125b8716b6
1335499a95
1420624854
1513beed6c
hexcc391aa

214143402 has 32 divisors (see below), whose sum is σ = 468423360. Its totient is φ = 64725120.

The previous prime is 214143361. The next prime is 214143427. The reversal of 214143402 is 204341412.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23028 + ... + 30960.

It is an arithmetic number, because the mean of its divisors is an integer number (14638230).

Almost surely, 2214143402 is an apocalyptic number.

214143402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

214143402 is an abundant number, since it is smaller than the sum of its proper divisors (254279958).

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

214143402 is a wasteful number, since it uses less digits than its factorization.

214143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 214143402 is about 14633.6393969511. The cubic root of 214143402 is about 598.2759787738.

Adding to 214143402 its reverse (204341412), we get a palindrome (418484814).

The spelling of 214143402 in words is "two hundred fourteen million, one hundred forty-three thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 409 818 1227 2454 4499 7933 8998 13497 15866 23799 26994 47598 87263 174526 261789 523578 3244597 6489194 9733791 19467582 35690567 71381134 107071701 214143402