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70480517 = 413375101
BaseRepresentation
bin1000011001101…
…11001010000101
311220121210002112
410030313022011
5121020334032
610554350405
71514034362
oct414671205
9156553075
1070480517
113686a068
121b72b405
13117a9463
149509469
1562c31b2
hex4337285

70480517 has 8 divisors (see below), whose sum is σ = 72427992. Its totient is φ = 68544000.

The previous prime is 70480511. The next prime is 70480547. The reversal of 70480517 is 71508407.

It can be written as a sum of positive squares in 4 ways, for example, as 10278436 + 60202081 = 3206^2 + 7759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70480517 - 28 = 70480261 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 (70480511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11267 + ... + 16367.

It is an arithmetic number, because the mean of its divisors is an integer number (9053499).

Almost surely, 270480517 is an apocalyptic number.

It is an amenable number.

70480517 is a deficient number, since it is larger than the sum of its proper divisors (1947475).

70480517 is a wasteful number, since it uses less digits than its factorization.

70480517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 70480517 is about 8395.2675359395. The cubic root of 70480517 is about 413.0694030601.

The spelling of 70480517 in words is "seventy million, four hundred eighty thousand, five hundred seventeen".

Divisors: 1 41 337 5101 13817 209141 1719037 70480517