Search a number
-
+
70880726 = 275062909
BaseRepresentation
bin1000011100110…
…00110111010110
311221101010002002
410032120313112
5121121140401
611011115302
71520322230
oct416306726
9157333062
1070880726
1137012814
121b8a2b32
13118b9677
1495b1250
156351a6b
hex4398dd6

70880726 has 8 divisors (see below), whose sum is σ = 121509840. Its totient is φ = 30377448.

The previous prime is 70880723. The next prime is 70880731. The reversal of 70880726 is 62708807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70880726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70880723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531441 + ... + 2531468.

It is an arithmetic number, because the mean of its divisors is an integer number (15188730).

Almost surely, 270880726 is an apocalyptic number.

70880726 is a deficient number, since it is larger than the sum of its proper divisors (50629114).

70880726 is a wasteful number, since it uses less digits than its factorization.

70880726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062918.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 70880726 is about 8419.0691884555. The cubic root of 70880726 is about 413.8497708483.

The spelling of 70880726 in words is "seventy million, eight hundred eighty thousand, seven hundred twenty-six".

Divisors: 1 2 7 14 5062909 10125818 35440363 70880726