Search a number
-
+
70161036 = 223114347263
BaseRepresentation
bin1000010111010…
…01001010001100
311220000112211220
410023221022030
5120430123121
610543443340
71511234061
oct413511214
9156015756
1070161036
1136671030
121b5b6550
13116c6c0a
149464c68
15625d6c6
hex42e928c

70161036 has 96 divisors (see below), whose sum is σ = 187342848. Its totient is φ = 20247360.

The previous prime is 70160999. The next prime is 70161043. The reversal of 70161036 is 63016107.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 70160997 and 70161015.

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 31 ways as a sum of consecutive naturals, for example, 266641 + ... + 266903.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 270161036 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 70161036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93671424).

70161036 is an abundant number, since it is smaller than the sum of its proper divisors (117181812).

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

70161036 is a wasteful number, since it uses less digits than its factorization.

70161036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 70161036 is about 8376.2184785260. The cubic root of 70161036 is about 412.4443237987. Note that the first 3 decimals are identical.

Subtracting from 70161036 its reverse (63016107), we obtain a square (7144929 = 26732).

The spelling of 70161036 in words is "seventy million, one hundred sixty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 47 66 86 94 129 132 141 172 188 258 263 282 473 516 517 526 564 789 946 1034 1052 1419 1551 1578 1892 2021 2068 2838 2893 3102 3156 4042 5676 5786 6063 6204 8084 8679 11309 11572 12126 12361 17358 22231 22618 24252 24722 33927 34716 37083 44462 45236 49444 66693 67854 74166 88924 124399 133386 135708 135971 148332 248798 266772 271942 373197 407913 497596 531523 543884 746394 815826 1063046 1492788 1594569 1631652 2126092 3189138 5846753 6378276 11693506 17540259 23387012 35080518 70161036