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70040501 = 312259371
BaseRepresentation
bin1000010110010…
…11101110110101
311212210102111122
410023023232311
5120412244001
610541113325
71510222466
oct413135665
9155712448
1070040501
1136599513
121b558845
13116840ab
149432d6d
156237b1b
hex42cbbb5

70040501 has 4 divisors (see below), whose sum is σ = 72299904. Its totient is φ = 67781100.

The previous prime is 70040489. The next prime is 70040521. The reversal of 70040501 is 10504007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70040501 - 222 = 65846197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70040501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70040521) 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, 1129655 + ... + 1129716.

It is an arithmetic number, because the mean of its divisors is an integer number (18074976).

Almost surely, 270040501 is an apocalyptic number.

It is an amenable number.

70040501 is a deficient number, since it is larger than the sum of its proper divisors (2259403).

70040501 is a wasteful number, since it uses less digits than its factorization.

70040501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259402.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 70040501 is about 8369.0203130355. The cubic root of 70040501 is about 412.2079985497.

Adding to 70040501 its reverse (10504007), we get a palindrome (80544508).

The spelling of 70040501 in words is "seventy million, forty thousand, five hundred one".

Divisors: 1 31 2259371 70040501