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612031242 = 232321121019
BaseRepresentation
bin100100011110101…
…101101100001010
31120122122102000210
4210132231230022
52223134444432
6140421541550
721111115434
oct4436555412
91518572023
10612031242
11294526149
12150b748b6
1399a4bb84
145b3d9654
1538ae78cc
hex247adb0a

612031242 has 32 divisors (see below), whose sum is σ = 1283397120. Its totient is φ = 194206320.

The previous prime is 612031241. The next prime is 612031243. The reversal of 612031242 is 242130216.

612031242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (612031241) and next prime (612031243).

It is not an unprimeable number, because it can be changed into a prime (612031241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18609 + ... + 39627.

It is an arithmetic number, because the mean of its divisors is an integer number (40106160).

Almost surely, 2612031242 is an apocalyptic number.

612031242 is an abundant number, since it is smaller than the sum of its proper divisors (671365878).

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

612031242 is a wasteful number, since it uses less digits than its factorization.

612031242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21258.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 612031242 is about 24739.2651871473. The cubic root of 612031242 is about 849.0329218186.

Adding to 612031242 its reverse (242130216), we get a palindrome (854161458).

The spelling of 612031242 in words is "six hundred twelve million, thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 211 422 633 1266 4853 9706 14559 21019 29118 42038 63057 126114 483437 966874 1450311 2900622 4435009 8870018 13305027 26610054 102005207 204010414 306015621 612031242