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70961407 = 1114394483
BaseRepresentation
bin1000011101011…
…00100011111111
311221112012202021
410032230203333
5121131231112
611012541011
71521106366
oct416544377
9157465667
1070961407
11370683a0
121b921767
13119172ca
1495d27dd
15636a907
hex43ac8ff

70961407 has 8 divisors (see below), whose sum is σ = 77483520. Its totient is φ = 64451160.

The previous prime is 70961389. The next prime is 70961453. The reversal of 70961407 is 70416907.

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 70961407 - 219 = 70437119 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 (70961497) 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, 13588 + ... + 18070.

It is an arithmetic number, because the mean of its divisors is an integer number (9685440).

Almost surely, 270961407 is an apocalyptic number.

70961407 is a deficient number, since it is larger than the sum of its proper divisors (6522113).

70961407 is a wasteful number, since it uses less digits than its factorization.

70961407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 70961407 is about 8423.8593886650. The cubic root of 70961407 is about 414.0067347812.

The spelling of 70961407 in words is "seventy million, nine hundred sixty-one thousand, four hundred seven".

Divisors: 1 11 1439 4483 15829 49313 6451037 70961407