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431230342 = 2233925387
BaseRepresentation
bin11001101101000…
…000110110000110
31010001102202211011
4121231000312012
51340343332332
6110442432434
713454253214
oct3155006606
91101382734
10431230342
11201466814
1210050271a
136b4575aa
14413b3cb4
1527cd1e47
hex19b40d86

431230342 has 8 divisors (see below), whose sum is σ = 649622376. Its totient is φ = 214689552.

The previous prime is 431230339. The next prime is 431230363. The reversal of 431230342 is 243032134.

It is a happy number.

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

It is a super-2 number, since 2×4312303422 = 371919215722873928, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 462228 + ... + 463159.

It is an arithmetic number, because the mean of its divisors is an integer number (81202797).

Almost surely, 2431230342 is an apocalyptic number.

431230342 is a deficient number, since it is larger than the sum of its proper divisors (218392034).

431230342 is a wasteful number, since it uses less digits than its factorization.

431230342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925622.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 431230342 is about 20766.0863428813. The cubic root of 431230342 is about 755.5034240255.

Adding to 431230342 its reverse (243032134), we get a palindrome (674262476).

The spelling of 431230342 in words is "four hundred thirty-one million, two hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 233 466 925387 1850774 215615171 431230342