Search a number
-
+
705570061 = 72131109919
BaseRepresentation
bin101010000011100…
…010010100001101
31211011122200011111
4222003202110031
52421111220221
6154002452021
723325150400
oct5203422415
91734580144
10705570061
11332304259
12178364011
13b323c7a1
14699c7d37
1541e22be1
hex2a0e250d

705570061 has 12 divisors (see below), whose sum is σ = 827038080. Its totient is φ = 600152280.

The previous prime is 705570059. The next prime is 705570071. The reversal of 705570061 is 160075507.

It is not a de Polignac number, because 705570061 - 21 = 705570059 is a prime.

It is a super-2 number, since 2×7055700612 = 995658221959087442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705570001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48541 + ... + 61378.

It is an arithmetic number, because the mean of its divisors is an integer number (68919840).

Almost surely, 2705570061 is an apocalyptic number.

It is an amenable number.

705570061 is a deficient number, since it is larger than the sum of its proper divisors (121468019).

705570061 is a wasteful number, since it uses less digits than its factorization.

705570061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110064 (or 110057 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 705570061 is about 26562.5687952050. The cubic root of 705570061 is about 890.2528680125.

The spelling of 705570061 in words is "seven hundred five million, five hundred seventy thousand, sixty-one".

Divisors: 1 7 49 131 917 6419 109919 769433 5386031 14399389 100795723 705570061