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42470 = 2531137
BaseRepresentation
bin1010010111100110
32011020222
422113212
52324340
6524342
7234551
oct122746
964228
1042470
11299aa
12206b2
131643c
1411698
15c8b5
hexa5e6

42470 has 16 divisors (see below), whose sum is σ = 79488. Its totient is φ = 16320.

The previous prime is 42467. The next prime is 42473. The reversal of 42470 is 7424.

It is an interprime number because it is at equal distance from previous prime (42467) and next prime (42473).

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 378.

It is an arithmetic number, because the mean of its divisors is an integer number (4968).

242470 is an apocalyptic number.

42470 is a deficient number, since it is larger than the sum of its proper divisors (37018).

42470 is a wasteful number, since it uses less digits than its factorization.

42470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 42470 is about 206.0825077487. The cubic root of 42470 is about 34.8894470876.

Adding to 42470 its reverse (7424), we get a palindrome (49894).

It can be divided in two parts, 424 and 70, that added together give a palindrome (494).

The spelling of 42470 in words is "forty-two thousand, four hundred seventy", and thus it is an iban number.

Divisors: 1 2 5 10 31 62 137 155 274 310 685 1370 4247 8494 21235 42470