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442131088 = 24753211353
BaseRepresentation
bin11010010110100…
…110001010010000
31010210221120211111
4122112212022100
51401141143323
6111512223104
713646023630
oct3226461220
91123846744
10442131088
112076316a3
1210409aa94
13707a3139
1442a106c0
1528c36c0d
hex1a5a6290

442131088 has 80 divisors (see below), whose sum is σ = 1005042816. Its totient is φ = 184504320.

The previous prime is 442131043. The next prime is 442131089. The reversal of 442131088 is 880131244.

It is not an unprimeable number, because it can be changed into a prime (442131089) 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, 1252320 + ... + 1252672.

Almost surely, 2442131088 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 442131088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502521408).

442131088 is an abundant number, since it is smaller than the sum of its proper divisors (562911728).

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

442131088 is a wasteful number, since it uses less digits than its factorization.

442131088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 442131088 is about 21026.9134206616. The cubic root of 442131088 is about 761.8164583902.

The spelling of 442131088 in words is "four hundred forty-two million, one hundred thirty-one thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 53 56 106 112 211 212 353 371 422 424 706 742 844 848 1412 1477 1484 1688 2471 2824 2954 2968 3376 4942 5648 5908 5936 9884 11183 11816 18709 19768 22366 23632 37418 39536 44732 74483 74836 78281 89464 130963 148966 149672 156562 178928 261926 297932 299344 313124 521381 523852 595864 626248 1042762 1047704 1191728 1252496 2085524 2095408 3947599 4171048 7895198 8342096 15790396 27633193 31580792 55266386 63161584 110532772 221065544 442131088