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42998748 = 223131989163
BaseRepresentation
bin1010010000000…
…1101111011100
32222220120012020
42210001233130
542001424443
64133340140
71031324532
oct244015734
988816166
1042998748
11222a9661
1212497650
138ba6760
1459d4152
153b95583
hex2901bdc

42998748 has 96 divisors (see below), whose sum is σ = 115718400. Its totient is φ = 12317184.

The previous prime is 42998713. The next prime is 42998777. The reversal of 42998748 is 84789924.

It is a self number, because there is not a number n which added to its sum of digits gives 42998748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263715 + ... + 263877.

It is an arithmetic number, because the mean of its divisors is an integer number (1205400).

Almost surely, 242998748 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 42998748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57859200).

42998748 is an abundant number, since it is smaller than the sum of its proper divisors (72719652).

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

42998748 is a wasteful number, since it uses less digits than its factorization.

42998748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 289 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 42998748 is about 6557.3430595021. The cubic root of 42998748 is about 350.3364058085.

The spelling of 42998748 in words is "forty-two million, nine hundred ninety-eight thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 89 114 156 163 178 228 247 267 326 356 489 494 534 652 741 978 988 1068 1157 1482 1691 1956 2119 2314 2964 3097 3382 3471 4238 4628 5073 6194 6357 6764 6942 8476 9291 10146 12388 12714 13884 14507 18582 20292 21983 25428 29014 37164 40261 43521 43966 58028 65949 80522 87042 87932 120783 131898 161044 174084 188591 241566 263796 275633 377182 483132 551266 565773 754364 826899 1102532 1131546 1653798 2263092 3307596 3583229 7166458 10749687 14332916 21499374 42998748