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70842112 = 281122287
BaseRepresentation
bin1000011100011…
…11011100000000
311221022011002221
410032033130000
5121113421422
611010220424
71520101525
oct416173400
9157264087
1070842112
1136a96800
121b884714
13118a4c13
1495a114c
1563453c7
hex438f700

70842112 has 54 divisors (see below), whose sum is σ = 155499344. Its totient is φ = 32186880.

The previous prime is 70842071. The next prime is 70842119. The reversal of 70842112 is 21124807.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70842119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29833 + ... + 32119.

Almost surely, 270842112 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 70842112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77749672).

70842112 is an abundant number, since it is smaller than the sum of its proper divisors (84657232).

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

70842112 is a wasteful number, since it uses less digits than its factorization.

70842112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 70842112 is about 8416.7756296577. The cubic root of 70842112 is about 413.7746056201.

Adding to 70842112 its reverse (21124807), we get a palindrome (91966919).

The spelling of 70842112 in words is "seventy million, eight hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 704 968 1408 1936 2287 2816 3872 4574 7744 9148 15488 18296 25157 30976 36592 50314 73184 100628 146368 201256 276727 292736 402512 553454 585472 805024 1106908 1610048 2213816 3220096 4427632 6440192 8855264 17710528 35421056 70842112