Search a number
-
+
70445033 = 1973531013
BaseRepresentation
bin1000011001011…
…10011111101001
311220112222102022
410030232133221
5121013220113
610553514225
71513526051
oct414563751
9156488368
1070445033
113684543a
121b712975
1311796269
1494da561
1562b7908
hex432e7e9

70445033 has 8 divisors (see below), whose sum is σ = 71073288. Its totient is φ = 69819904.

The previous prime is 70445017. The next prime is 70445047. The reversal of 70445033 is 33054407.

It can be written as a sum of positive squares in 4 ways, for example, as 6012304 + 64432729 = 2452^2 + 8027^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70445033 - 24 = 70445017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70444993 and 70445011.

It is not an unprimeable number, because it can be changed into a prime (70445833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69035 + ... + 70047.

It is an arithmetic number, because the mean of its divisors is an integer number (8884161).

Almost surely, 270445033 is an apocalyptic number.

It is an amenable number.

70445033 is a deficient number, since it is larger than the sum of its proper divisors (628255).

70445033 is a wasteful number, since it uses less digits than its factorization.

70445033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 70445033 is about 8393.1539363936. The cubic root of 70445033 is about 413.0000703527. Note that the first 4 decimals are identical.

The spelling of 70445033 in words is "seventy million, four hundred forty-five thousand, thirty-three".

Divisors: 1 197 353 1013 69541 199561 357589 70445033