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70419105 = 3352917987
BaseRepresentation
bin1000011001010…
…00001010100001
311220111122212000
410030220022201
5121011402410
610553154213
71513360341
oct414501241
9156448760
1070419105
1136827a09
121b6bb969
1311787513
1494d0d21
1562aedc0
hex43282a1

70419105 has 32 divisors (see below), whose sum is σ = 129513600. Its totient is φ = 36259776.

The previous prime is 70419101. The next prime is 70419127. The reversal of 70419105 is 50191407.

It is not a de Polignac number, because 70419105 - 22 = 70419101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70419101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5079 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (4047300).

Almost surely, 270419105 is an apocalyptic number.

It is an amenable number.

70419105 is a deficient number, since it is larger than the sum of its proper divisors (59094495).

70419105 is a wasteful number, since it uses less digits than its factorization.

70419105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18030 (or 18024 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 70419105 is about 8391.6092020542. The cubic root of 70419105 is about 412.9493945308.

The spelling of 70419105 in words is "seventy million, four hundred nineteen thousand, one hundred five".

Divisors: 1 3 5 9 15 27 29 45 87 135 145 261 435 783 1305 3915 17987 53961 89935 161883 269805 485649 521623 809415 1564869 2428245 2608115 4694607 7824345 14083821 23473035 70419105