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70505301 = 323501767
BaseRepresentation
bin1000011001111…
…01001101010101
311220200001002110
410030331031111
5121022132201
610555101233
71514166546
oct414751525
9156601073
1070505301
1136886749
121b741819
13117b7819
1495144cd
1562ca6d6
hex433d355

70505301 has 4 divisors (see below), whose sum is σ = 94007072. Its totient is φ = 47003532.

The previous prime is 70505249. The next prime is 70505389. The reversal of 70505301 is 10350507.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10350507 = 33450169.

It is not a de Polignac number, because 70505301 - 27 = 70505173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70505401) 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, 11750881 + ... + 11750886.

It is an arithmetic number, because the mean of its divisors is an integer number (23501768).

Almost surely, 270505301 is an apocalyptic number.

It is an amenable number.

70505301 is a deficient number, since it is larger than the sum of its proper divisors (23501771).

70505301 is a wasteful number, since it uses less digits than its factorization.

70505301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23501770.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 70505301 is about 8396.7434758959. The cubic root of 70505301 is about 413.1178150789.

Adding to 70505301 its reverse (10350507), we get a palindrome (80855808).

The spelling of 70505301 in words is "seventy million, five hundred five thousand, three hundred one".

Divisors: 1 3 23501767 70505301