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70047216 = 24323713147
BaseRepresentation
bin1000010110011…
…01010111110000
311212210202201100
410023031113300
5120413002331
610541204400
71510251201
oct413152760
9155722640
1070047216
11365a3568
121b560700
1311687175
1494355a8
156239ae6
hex42cd5f0

70047216 has 60 divisors (see below), whose sum is σ = 201348472. Its totient is φ = 22716288.

The previous prime is 70047203. The next prime is 70047221. The reversal of 70047216 is 61274007.

It is a super-2 number, since 2×700472162 = 9813224938701312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70047216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246 + ... + 11901.

Almost surely, 270047216 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 70047216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100674236).

70047216 is an abundant number, since it is smaller than the sum of its proper divisors (131301256).

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

70047216 is a wasteful number, since it uses less digits than its factorization.

70047216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198 (or 13189 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70047216 is about 8369.4214853836. The cubic root of 70047216 is about 412.2211713483.

The spelling of 70047216 in words is "seventy million, forty-seven thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 144 148 222 296 333 444 592 666 888 1332 1776 2664 5328 13147 26294 39441 52588 78882 105176 118323 157764 210352 236646 315528 473292 486439 631056 946584 972878 1459317 1893168 1945756 2918634 3891512 4377951 5837268 7783024 8755902 11674536 17511804 23349072 35023608 70047216