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70043064 = 23371322467
BaseRepresentation
bin1000010110011…
…00010110111000
311212210120000120
410023030112320
5120412334224
610541133240
71510233120
oct413142670
9155716016
1070043064
11365a0433
121b55a220
1311685300
149433c80
156238779
hex42cc5b8

70043064 has 96 divisors (see below), whose sum is σ = 216789120. Its totient is φ = 18465408.

The previous prime is 70043053. The next prime is 70043069. The reversal of 70043064 is 46034007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70043069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27159 + ... + 29625.

It is an arithmetic number, because the mean of its divisors is an integer number (2258220).

Almost surely, 270043064 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 70043064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108394560).

70043064 is an abundant number, since it is smaller than the sum of its proper divisors (146746056).

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

70043064 is a wasteful number, since it uses less digits than its factorization.

70043064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 70043064 is about 8369.1734358896. The cubic root of 70043064 is about 412.2130264797.

The spelling of 70043064 in words is "seventy million, forty-three thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 169 182 273 312 338 364 507 546 676 728 1014 1092 1183 1352 2028 2184 2366 2467 3549 4056 4732 4934 7098 7401 9464 9868 14196 14802 17269 19736 28392 29604 32071 34538 51807 59208 64142 69076 96213 103614 128284 138152 192426 207228 224497 256568 384852 414456 416923 448994 673491 769704 833846 897988 1250769 1346982 1667692 1795976 2501538 2693964 2918461 3335384 5003076 5387928 5836922 8755383 10006152 11673844 17510766 23347688 35021532 70043064