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42605332 = 227111779103
BaseRepresentation
bin1010001010000…
…1101100010100
32222011120112021
42202201230110
541401332312
64121102524
71025065540
oct242415424
988146467
1042605332
1122060020
1212327a44
138a99673
145930a20
153b18c07
hex28a1b14

42605332 has 96 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 15275520.

The previous prime is 42605323. The next prime is 42605351. The reversal of 42605332 is 23350624.

42605332 = T363 + T364 + ... + T671.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42605297 and 42605306.

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, 413593 + ... + 413695.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 242605332 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 42605332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50319360).

42605332 is an abundant number, since it is smaller than the sum of its proper divisors (58033388).

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

42605332 is a wasteful number, since it uses less digits than its factorization.

42605332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 42605332 is about 6527.2760015186. The cubic root of 42605332 is about 349.2646657014.

Adding to 42605332 its reverse (23350624), we get a palindrome (65955956).

The spelling of 42605332 in words is "forty-two million, six hundred five thousand, three hundred thirty-two".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 68 77 79 103 119 154 158 187 206 238 308 316 374 412 476 553 721 748 869 1106 1133 1309 1343 1442 1738 1751 2212 2266 2618 2686 2884 3476 3502 4532 5236 5372 6083 7004 7931 8137 9401 12166 12257 14773 15862 16274 18802 19261 24332 24514 29546 31724 32548 37604 38522 49028 56959 59092 77044 89507 103411 113918 134827 138329 179014 206822 227836 269654 276658 358028 413644 539308 553316 626549 968303 1253098 1521619 1936606 2506196 3043238 3873212 6086476 10651333 21302666 42605332