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70530768 = 24327116361
BaseRepresentation
bin1000011010000…
…11011011010000
311220201100000200
410031003123100
5121023441033
610555415200
71514334030
oct415033320
9156640020
1070530768
11368a38a0
121b754500
13117c62a9
14951d8c0
1562d3013
hex43436d0

70530768 has 120 divisors (see below), whose sum is σ = 246133056. Its totient is φ = 18316800.

The previous prime is 70530743. The next prime is 70530781. The reversal of 70530768 is 86703507.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7908 + ... + 14268.

Almost surely, 270530768 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 70530768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123066528).

70530768 is an abundant number, since it is smaller than the sum of its proper divisors (175602288).

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

70530768 is a wasteful number, since it uses less digits than its factorization.

70530768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70530768 is about 8398.2598197484. The cubic root of 70530768 is about 413.1675494240.

The spelling of 70530768 in words is "seventy million, five hundred thirty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 33 36 42 44 48 56 63 66 72 77 84 88 99 112 126 132 144 154 168 176 198 231 252 264 308 336 396 462 504 528 616 693 792 924 1008 1232 1386 1584 1848 2772 3696 5544 6361 11088 12722 19083 25444 38166 44527 50888 57249 69971 76332 89054 101776 114498 133581 139942 152664 178108 209913 228996 267162 279884 305328 356216 400743 419826 457992 489797 534324 559768 629739 712432 801486 839652 915984 979594 1068648 1119536 1259478 1469391 1602972 1679304 1959188 2137296 2518956 2938782 3205944 3358608 3918376 4408173 5037912 5877564 6411888 7836752 8816346 10075824 11755128 17632692 23510256 35265384 70530768