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70681116 = 223112331751
BaseRepresentation
bin1000011011010…
…00001000011100
311220222222021010
410031220020130
5121043243431
611002535220
71515531252
oct415501034
9156888233
1070681116
1136996850
121b807510
131184985c
14955c5d2
156312846
hex436821c

70681116 has 96 divisors (see below), whose sum is σ = 194052096. Its totient is φ = 19800000.

The previous prime is 70681103. The next prime is 70681123. The reversal of 70681116 is 61118607.

It is a happy number.

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, 93741 + ... + 94491.

It is an arithmetic number, because the mean of its divisors is an integer number (2021376).

Almost surely, 270681116 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 70681116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97026048).

70681116 is an abundant number, since it is smaller than the sum of its proper divisors (123370980).

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

70681116 is a wasteful number, since it uses less digits than its factorization.

70681116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 70681116 is about 8407.2061946880. The cubic root of 70681116 is about 413.4609193946.

It can be divided in two parts, 70 and 681116, that added together give a palindrome (681186).

The spelling of 70681116 in words is "seventy million, six hundred eighty-one thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 11 12 22 23 31 33 44 46 62 66 69 92 93 124 132 138 186 253 276 341 372 506 682 713 751 759 1012 1023 1364 1426 1502 1518 2046 2139 2253 2852 3004 3036 4092 4278 4506 7843 8261 8556 9012 15686 16522 17273 23281 23529 24783 31372 33044 34546 46562 47058 49566 51819 69092 69843 93124 94116 99132 103638 139686 190003 207276 256091 279372 380006 512182 535463 570009 760012 768273 1024364 1070926 1140018 1536546 1606389 2141852 2280036 3073092 3212778 5890093 6425556 11780186 17670279 23560372 35340558 70681116