Search a number
-
+
70354249 = 721435801
BaseRepresentation
bin1000011000110…
…00010101001001
311220101100212221
410030120111021
5121002313444
610551534041
71513000300
oct414302511
9156340787
1070354249
1136793209
121b68a321
1311763b44
1494b5437
15629aa84
hex4318549

70354249 has 6 divisors (see below), whose sum is σ = 81840714. Its totient is φ = 60303600.

The previous prime is 70354243. The next prime is 70354301. The reversal of 70354249 is 94245307.

It can be written as a sum of positive squares in only one way, i.e., 64689849 + 5664400 = 8043^2 + 2380^2 .

It is not a de Polignac number, because 70354249 - 23 = 70354241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70354241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 717852 + ... + 717949.

It is an arithmetic number, because the mean of its divisors is an integer number (13640119).

Almost surely, 270354249 is an apocalyptic number.

It is an amenable number.

70354249 is a deficient number, since it is larger than the sum of its proper divisors (11486465).

70354249 is a wasteful number, since it uses less digits than its factorization.

70354249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435815 (or 1435808 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 70354249 is about 8387.7439755872. The cubic root of 70354249 is about 412.8225801183.

The spelling of 70354249 in words is "seventy million, three hundred fifty-four thousand, two hundred forty-nine".

Divisors: 1 7 49 1435801 10050607 70354249