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214303430 = 251115712409
BaseRepresentation
bin11001100011000…
…00001011000110
3112221020202001002
430301200023012
5414330202210
633133133302
75211356225
oct1461401306
9487222032
10214303430
11aaa72380
125b92a232
1335524883
1420666cbc
1513c324a5
hexcc602c6

214303430 has 32 divisors (see below), whose sum is σ = 423528480. Its totient is φ = 77425920.

The previous prime is 214303429. The next prime is 214303447. The reversal of 214303430 is 34303412.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11066 + ... + 23474.

It is an arithmetic number, because the mean of its divisors is an integer number (13235265).

Almost surely, 2214303430 is an apocalyptic number.

214303430 is a deficient number, since it is larger than the sum of its proper divisors (209225050).

214303430 is a wasteful number, since it uses less digits than its factorization.

214303430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12584.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 214303430 is about 14639.1061885622. The cubic root of 214303430 is about 598.4249709421.

Adding to 214303430 its reverse (34303412), we get a palindrome (248606842).

The spelling of 214303430 in words is "two hundred fourteen million, three hundred three thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 157 314 785 1570 1727 3454 8635 12409 17270 24818 62045 124090 136499 272998 682495 1364990 1948213 3896426 9741065 19482130 21430343 42860686 107151715 214303430