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70112730 = 2352337091
BaseRepresentation
bin1000010110111…
…01010111011010
311212221002120210
410023131113122
5120422101410
610542431550
71510643202
oct413352732
9155832523
1070112730
1136638806
121b5925b6
13116aac2c
149451402
15624e220
hex42dd5da

70112730 has 16 divisors (see below), whose sum is σ = 168270624. Its totient is φ = 18696720.

The previous prime is 70112723. The next prime is 70112741. The reversal of 70112730 is 3721107.

It is a junction number, because it is equal to n+sod(n) for n = 70112697 and 70112706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168516 + ... + 1168575.

It is an arithmetic number, because the mean of its divisors is an integer number (10516914).

Almost surely, 270112730 is an apocalyptic number.

70112730 is an abundant number, since it is smaller than the sum of its proper divisors (98157894).

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

70112730 is a wasteful number, since it uses less digits than its factorization.

70112730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337101.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 70112730 is about 8373.3344612526. The cubic root of 70112730 is about 412.3496458461.

Adding to 70112730 its reverse (3721107), we get a palindrome (73833837).

It can be divided in two parts, 701 and 12730, that added together give a palindrome (13431).

The spelling of 70112730 in words is "seventy million, one hundred twelve thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2337091 4674182 7011273 11685455 14022546 23370910 35056365 70112730