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70499449 = 439160591
BaseRepresentation
bin1000011001110…
…11110001111001
311220122202001201
410030323301321
5121021440244
610555014201
71514143516
oct414736171
9156582051
1070499449
1136882309
121b73a361
13117b4c67
14951230d
1562c8ad4
hex433bc79

70499449 has 4 divisors (see below), whose sum is σ = 70660480. Its totient is φ = 70338420.

The previous prime is 70499447. The next prime is 70499461. The reversal of 70499449 is 94499407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94499407 = 194973653.

It is a cyclic number.

It is not a de Polignac number, because 70499449 - 21 = 70499447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70499399 and 70499408.

It is not an unprimeable number, because it can be changed into a prime (70499441) 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, 79857 + ... + 80734.

It is an arithmetic number, because the mean of its divisors is an integer number (17665120).

Almost surely, 270499449 is an apocalyptic number.

It is an amenable number.

70499449 is a deficient number, since it is larger than the sum of its proper divisors (161031).

70499449 is a wasteful number, since it uses less digits than its factorization.

70499449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161030.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 70499449 is about 8396.3950002367. The cubic root of 70499449 is about 413.1063850525.

The spelling of 70499449 in words is "seventy million, four hundred ninety-nine thousand, four hundred forty-nine".

Divisors: 1 439 160591 70499449