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70033697 = 197355501
BaseRepresentation
bin1000010110010…
…10000100100001
311212210002011122
410023022010201
5120412034242
610541022025
71510163606
oct413120441
9155702148
1070033697
1136594398
121b554915
1311680c76
1494306ad
156235ad2
hex42ca121

70033697 has 4 divisors (see below), whose sum is σ = 70389396. Its totient is φ = 69678000.

The previous prime is 70033679. The next prime is 70033729. The reversal of 70033697 is 79633007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79633007 = 587135661.

It can be written as a sum of positive squares in 2 ways, for example, as 35093776 + 34939921 = 5924^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 70033697 - 222 = 65839393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70036697) 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, 177554 + ... + 177947.

It is an arithmetic number, because the mean of its divisors is an integer number (17597349).

Almost surely, 270033697 is an apocalyptic number.

It is an amenable number.

70033697 is a deficient number, since it is larger than the sum of its proper divisors (355699).

70033697 is a wasteful number, since it uses less digits than its factorization.

70033697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355698.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 70033697 is about 8368.6138039702. The cubic root of 70033697 is about 412.1946503011.

The spelling of 70033697 in words is "seventy million, thirty-three thousand, six hundred ninety-seven".

Divisors: 1 197 355501 70033697