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70415477 = 1131375581
BaseRepresentation
bin1000011001001…
…11010001110101
311220111110212122
410030213101311
5121011243402
610553125325
71513343636
oct414472165
9156443778
1070415477
1136825210
121b6b9845
1311785982
1494cd88d
1562adca2
hex4327475

70415477 has 16 divisors (see below), whose sum is σ = 81452544. Its totient is φ = 60264000.

The previous prime is 70415461. The next prime is 70415503. The reversal of 70415477 is 77451407.

It is not a de Polignac number, because 70415477 - 24 = 70415461 is a prime.

It is a super-2 number, since 2×704154772 = 9916678802275058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70415407) 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 15 ways as a sum of consecutive naturals, for example, 9827 + ... + 15407.

It is an arithmetic number, because the mean of its divisors is an integer number (5090784).

Almost surely, 270415477 is an apocalyptic number.

It is an amenable number.

70415477 is a deficient number, since it is larger than the sum of its proper divisors (11037067).

70415477 is a wasteful number, since it uses less digits than its factorization.

70415477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 70415477 is about 8391.3930309574. The cubic root of 70415477 is about 412.9423026763.

The spelling of 70415477 in words is "seventy million, four hundred fifteen thousand, four hundred seventy-seven".

Divisors: 1 11 31 37 341 407 1147 5581 12617 61391 173011 206497 1903121 2271467 6401407 70415477