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42952680 = 23375491
BaseRepresentation
bin1010001111011…
…0011111101000
32222211020000000
42203312133220
541443441210
64132343000
71031043321
oct243663750
988736000
1042952680
1122277a91
1212474a60
138b8b7b4
1459c1448
153b86ac0
hex28f67e8

42952680 has 128 divisors (see below), whose sum is σ = 145238400. Its totient is φ = 11430720.

The previous prime is 42952669. The next prime is 42952681. The reversal of 42952680 is 8625924.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42952681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87235 + ... + 87725.

It is an arithmetic number, because the mean of its divisors is an integer number (1134675).

Almost surely, 242952680 is an apocalyptic number.

42952680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42952680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72619200).

42952680 is an abundant number, since it is smaller than the sum of its proper divisors (102285720).

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

42952680 is an equidigital number, since it uses as much as digits as its factorization.

42952680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 42952680 is about 6553.8294149299. The cubic root of 42952680 is about 350.2112466236.

The spelling of 42952680 in words is "forty-two million, nine hundred fifty-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 405 486 491 540 648 729 810 972 982 1080 1215 1458 1473 1620 1944 1964 2187 2430 2455 2916 2946 3240 3645 3928 4374 4419 4860 4910 5832 5892 7290 7365 8748 8838 9720 9820 10935 11784 13257 14580 14730 17496 17676 19640 21870 22095 26514 29160 29460 35352 39771 43740 44190 53028 58920 66285 79542 87480 88380 106056 119313 132570 159084 176760 198855 238626 265140 318168 357939 397710 477252 530280 596565 715878 795420 954504 1073817 1193130 1431756 1590840 1789695 2147634 2386260 2863512 3579390 4295268 4772520 5369085 7158780 8590536 10738170 14317560 21476340 42952680