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612430242 = 23179570233
BaseRepresentation
bin100100100000001…
…111000110100010
31120200101200100120
4210200033012202
52223240231432
6140434301110
721114366624
oct4440170642
91520350316
10612430242
112947789a6
12151127796
1399b5b678
145b4a0c14
1538b75c2c
hex2480f1a2

612430242 has 16 divisors (see below), whose sum is σ = 1231705440. Its totient is φ = 203002592.

The previous prime is 612430241. The next prime is 612430297. The reversal of 612430242 is 242034216.

It is not an unprimeable number, because it can be changed into a prime (612430241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 284043 + ... + 286190.

It is an arithmetic number, because the mean of its divisors is an integer number (76981590).

Almost surely, 2612430242 is an apocalyptic number.

612430242 is an abundant number, since it is smaller than the sum of its proper divisors (619275198).

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

612430242 is a wasteful number, since it uses less digits than its factorization.

612430242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570417.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 612430242 is about 24747.3279769756. The cubic root of 612430242 is about 849.2173843769.

Adding to 612430242 its reverse (242034216), we get a palindrome (854464458).

The spelling of 612430242 in words is "six hundred twelve million, four hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 179 358 537 1074 570233 1140466 1710699 3421398 102071707 204143414 306215121 612430242