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42470234 = 24729613
BaseRepresentation
bin1010001000000…
…0101101011010
32221220201012122
42202000231122
541333021414
64114141242
71023663632
oct242005532
987821178
1042470234
1121a78574
1212281822
138a50021
1458d76c2
153addb8e
hex2880b5a

42470234 has 12 divisors (see below), whose sum is σ = 65096394. Its totient is φ = 20781144.

The previous prime is 42470231. The next prime is 42470237. The reversal of 42470234 is 43207424.

It is an interprime number because it is at equal distance from previous prime (42470231) and next prime (42470237).

It can be written as a sum of positive squares in only one way, i.e., 22534009 + 19936225 = 4747^2 + 4465^2 .

It is a super-3 number, since 3×424702343 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42470231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389 + ... + 9224.

Almost surely, 242470234 is an apocalyptic number.

42470234 is a deficient number, since it is larger than the sum of its proper divisors (22626160).

42470234 is an equidigital number, since it uses as much as digits as its factorization.

42470234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9709 (or 9662 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 42470234 is about 6516.9190573460. The cubic root of 42470234 is about 348.8951116507.

Adding to 42470234 its reverse (43207424), we get a palindrome (85677658).

The spelling of 42470234 in words is "forty-two million, four hundred seventy thousand, two hundred thirty-four".

Divisors: 1 2 47 94 2209 4418 9613 19226 451811 903622 21235117 42470234