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70174129 = 83772
BaseRepresentation
bin1000010111011…
…00010110110001
311220001012210211
410023230112301
5120431033004
610544024121
71511320204
oct413542661
9156035724
1070174129
113667a953
121b602041
13116ccb6c
14946993b
156262504
hex42ec5b1

70174129 has 3 divisors (see below), whose sum is σ = 70182507. Its totient is φ = 70165752.

The previous prime is 70174123. The next prime is 70174183. The reversal of 70174129 is 92147107.

The square root of 70174129 is 8377.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 60093504 = 3175^2 + 7752^2 .

It is not a de Polignac number, because 70174129 - 213 = 70165937 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 70174129.

It is not an unprimeable number, because it can be changed into a prime (70174123) 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 2 ways as a sum of consecutive naturals, for example, 4189 + ... + 12565.

It is an arithmetic number, because the mean of its divisors is an integer number (23394169).

Almost surely, 270174129 is an apocalyptic number.

70174129 is the 8377-th square number.

70174129 is the 4189-th centered octagonal number.

It is an amenable number.

70174129 is a deficient number, since it is larger than the sum of its proper divisors (8378).

70174129 is an frugal number, since it uses more digits than its factorization.

70174129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754 (or 8377 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The cubic root of 70174129 is about 412.4699781028.

The spelling of 70174129 in words is "seventy million, one hundred seventy-four thousand, one hundred twenty-nine".

Divisors: 1 8377 70174129