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431012942 = 2215506471
BaseRepresentation
bin11001101100001…
…011110001001110
31010001000201121022
4121230023301032
51340314403232
6110434034142
713452356333
oct3154136116
91101021538
10431012942
11201328448
12100418952
136b3ac659
144135898a
1527c8c812
hex19b0bc4e

431012942 has 4 divisors (see below), whose sum is σ = 646519416. Its totient is φ = 215506470.

The previous prime is 431012927. The next prime is 431012987. The reversal of 431012942 is 249210134.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107753234 + ... + 107753237.

It is an arithmetic number, because the mean of its divisors is an integer number (161629854).

Almost surely, 2431012942 is an apocalyptic number.

431012942 is a deficient number, since it is larger than the sum of its proper divisors (215506474).

431012942 is a wasteful number, since it uses less digits than its factorization.

431012942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215506473.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 431012942 is about 20760.8511867890. The cubic root of 431012942 is about 755.3764431237.

The spelling of 431012942 in words is "four hundred thirty-one million, twelve thousand, nine hundred forty-two".

Divisors: 1 2 215506471 431012942