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70419999 = 3131805641
BaseRepresentation
bin1000011001010…
…00011000011111
311220111201002010
410030220120133
5121011414444
610553202303
71513363056
oct414503037
9156451063
1070419999
1136828651
121b700393
1311787a50
1494d139d
1562b02b9
hex432861f

70419999 has 8 divisors (see below), whose sum is σ = 101115952. Its totient is φ = 43335360.

The previous prime is 70419989. The next prime is 70420027. The reversal of 70419999 is 99991407.

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

It is not a de Polignac number, because 70419999 - 24 = 70419983 is a prime.

It is a super-3 number, since 3×704199993 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

70419999 is a modest number, since divided by 9999 gives 7041 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70419929) 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, 902782 + ... + 902859.

It is an arithmetic number, because the mean of its divisors is an integer number (12639494).

Almost surely, 270419999 is an apocalyptic number.

70419999 is a deficient number, since it is larger than the sum of its proper divisors (30695953).

70419999 is a wasteful number, since it uses less digits than its factorization.

70419999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805657.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 70419999 is about 8391.6624693799. The cubic root of 70419999 is about 412.9511420452.

The spelling of 70419999 in words is "seventy million, four hundred nineteen thousand, nine hundred ninety-nine".

Divisors: 1 3 13 39 1805641 5416923 23473333 70419999