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42473970 = 2355711227
BaseRepresentation
bin1010001000000…
…1100111110010
32221220220100000
42202001213302
541333131340
64114210430
71024010550
oct242014762
987826300
1042473970
1121a80360
1212283a16
138a51936
1458d8bd0
153aded30
hex28819f2

42473970 has 192 divisors, whose sum is σ = 143410176. Its totient is φ = 8786880.

The previous prime is 42473957. The next prime is 42473983. The reversal of 42473970 is 7937424.

It is an interprime number because it is at equal distance from previous prime (42473957) and next prime (42473983).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 186997 + ... + 187223.

It is an arithmetic number, because the mean of its divisors is an integer number (746928).

Almost surely, 242473970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42473970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71705088).

42473970 is an abundant number, since it is smaller than the sum of its proper divisors (100936206).

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

42473970 is a wasteful number, since it uses less digits than its factorization.

42473970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 42473970 is about 6517.2056895575. The cubic root of 42473970 is about 348.9053418268.

The spelling of 42473970 in words is "forty-two million, four hundred seventy-three thousand, nine hundred seventy".