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70342501 = 531327217
BaseRepresentation
bin1000011000101…
…01011101100101
311220100202202211
410030111131211
5121001430001
610551403421
71512621115
oct414253545
9156322684
1070342501
11367853a9
121b683571
131175b6a8
1494b1045
156297351
hex4315765

70342501 has 4 divisors (see below), whose sum is σ = 71669772. Its totient is φ = 69015232.

The previous prime is 70342477. The next prime is 70342537. The reversal of 70342501 is 10524307.

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 35414401 + 34928100 = 5951^2 + 5910^2 .

It is a cyclic number.

It is not a de Polignac number, because 70342501 - 27 = 70342373 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 (70342301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663556 + ... + 663661.

It is an arithmetic number, because the mean of its divisors is an integer number (17917443).

Almost surely, 270342501 is an apocalyptic number.

It is an amenable number.

70342501 is a deficient number, since it is larger than the sum of its proper divisors (1327271).

70342501 is a wasteful number, since it uses less digits than its factorization.

70342501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327270.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 70342501 is about 8387.0436388515. The cubic root of 70342501 is about 412.7996006502.

Adding to 70342501 its reverse (10524307), we get a palindrome (80866808).

The spelling of 70342501 in words is "seventy million, three hundred forty-two thousand, five hundred one".

Divisors: 1 53 1327217 70342501