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42137248 = 2543113271
BaseRepresentation
bin1010000010111…
…1011010100000
32221021210102211
42200233122200
541241342443
64103051504
71021106056
oct240573240
987253384
1042137248
112187037a
1212140b94
1389645aa
14584c1d6
153a7519d
hex282f6a0

42137248 has 48 divisors (see below), whose sum is σ = 85954176. Its totient is φ = 20321280.

The previous prime is 42137201. The next prime is 42137267. The reversal of 42137248 is 84273124.

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 7 ways as a sum of consecutive naturals, for example, 155353 + ... + 155623.

It is an arithmetic number, because the mean of its divisors is an integer number (1790712).

Almost surely, 242137248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42137248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42977088).

42137248 is an abundant number, since it is smaller than the sum of its proper divisors (43816928).

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

42137248 is a wasteful number, since it uses less digits than its factorization.

42137248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 429 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 42137248 is about 6491.3209749634. The cubic root of 42137248 is about 347.9808859013.

The spelling of 42137248 in words is "forty-two million, one hundred thirty-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 43 86 113 172 226 271 344 452 542 688 904 1084 1376 1808 2168 3616 4336 4859 8672 9718 11653 19436 23306 30623 38872 46612 61246 77744 93224 122492 155488 186448 244984 372896 489968 979936 1316789 2633578 5267156 10534312 21068624 42137248