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70707419 = 107660817
BaseRepresentation
bin1000011011011…
…10100011011011
311221001022100022
410031232203123
5121100114134
611003301055
71516001036
oct415564333
9157038308
1070707419
1136a04592
121b81a78b
1311858813
14956801d
15631a52e
hex436e8db

70707419 has 4 divisors (see below), whose sum is σ = 71368344. Its totient is φ = 70046496.

The previous prime is 70707389. The next prime is 70707431. The reversal of 70707419 is 91470707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70707419 is a prime.

It is a super-2 number, since 2×707074192 = 9999078203283122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70707499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330302 + ... + 330515.

It is an arithmetic number, because the mean of its divisors is an integer number (17842086).

Almost surely, 270707419 is an apocalyptic number.

70707419 is a deficient number, since it is larger than the sum of its proper divisors (660925).

70707419 is a wasteful number, since it uses less digits than its factorization.

70707419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660924.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 70707419 is about 8408.7703619495. The cubic root of 70707419 is about 413.5122009552.

The spelling of 70707419 in words is "seventy million, seven hundred seven thousand, four hundred nineteen".

Divisors: 1 107 660817 70707419