Search a number
-
+
70517941 = 135424457
BaseRepresentation
bin1000011010000…
…00010010110101
311220200200102121
410031000102311
5121023033231
610555235541
71514251444
oct415002265
9156620377
1070517941
113689519a
121b748bb1
13117c04c0
149518d5b
1562ce311
hex43404b5

70517941 has 4 divisors (see below), whose sum is σ = 75942412. Its totient is φ = 65093472.

The previous prime is 70517939. The next prime is 70517957. The reversal of 70517941 is 14971507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14791716 + 55726225 = 3846^2 + 7465^2 .

It is a cyclic number.

It is not a de Polignac number, because 70517941 - 21 = 70517939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70517897 and 70517906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70517971) 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, 2712216 + ... + 2712241.

It is an arithmetic number, because the mean of its divisors is an integer number (18985603).

Almost surely, 270517941 is an apocalyptic number.

It is an amenable number.

70517941 is a deficient number, since it is larger than the sum of its proper divisors (5424471).

70517941 is a wasteful number, since it uses less digits than its factorization.

70517941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424470.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 70517941 is about 8397.4961149143. The cubic root of 70517941 is about 413.1425011525.

The spelling of 70517941 in words is "seventy million, five hundred seventeen thousand, nine hundred forty-one".

Divisors: 1 13 5424457 70517941