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442814912 = 26171931691
BaseRepresentation
bin11010011001001…
…101000111000000
31010212020022212022
4122121031013000
51401330034122
6111535021012
713654602401
oct3231150700
91125208768
10442814912
11207a59441
1210436a768
1370982477
1442b4b9a8
1528d1e642
hex1a64d1c0

442814912 has 112 divisors (see below), whose sum is σ = 1012423680. Its totient is φ = 190771200.

The previous prime is 442814909. The next prime is 442814917. The reversal of 442814912 is 219418244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442814917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640487 + ... + 641177.

Almost surely, 2442814912 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 442814912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506211840).

442814912 is an abundant number, since it is smaller than the sum of its proper divisors (569608768).

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

442814912 is a wasteful number, since it uses less digits than its factorization.

442814912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 760 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 442814912 is about 21043.1678223598. The cubic root of 442814912 is about 762.2090116749.

The spelling of 442814912 in words is "four hundred forty-two million, eight hundred fourteen thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 17 19 31 32 34 38 62 64 68 76 124 136 152 248 272 304 323 496 527 544 589 608 646 691 992 1054 1088 1178 1216 1292 1382 1984 2108 2356 2584 2764 4216 4712 5168 5528 8432 9424 10013 10336 11056 11747 13129 16864 18848 20026 20672 21421 22112 23494 26258 33728 37696 40052 42842 44224 46988 52516 80104 85684 93976 105032 160208 171368 187952 210064 223193 320416 342736 364157 375904 406999 420128 446386 640832 685472 728314 751808 813998 840256 892772 1370944 1456628 1627996 1785544 2913256 3255992 3571088 5826512 6511984 6918983 7142176 11653024 13023968 13837966 14284352 23306048 26047936 27675932 55351864 110703728 221407456 442814912