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70916042 = 235458021
BaseRepresentation
bin1000011101000…
…01011111001010
311221102220112002
410032201133022
5121123303132
611011551002
71520530211
oct416413712
9157386462
1070916042
11370372aa
121b8bb462
13118cc772
1495c0078
15635c262
hex43a17ca

70916042 has 4 divisors (see below), whose sum is σ = 106374066. Its totient is φ = 35458020.

The previous prime is 70916017. The next prime is 70916051. The reversal of 70916042 is 24061907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24061907 = 102123567.

It can be written as a sum of positive squares in only one way, i.e., 70879561 + 36481 = 8419^2 + 191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70915996 and 70916014.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17729009 + ... + 17729012.

Almost surely, 270916042 is an apocalyptic number.

70916042 is a deficient number, since it is larger than the sum of its proper divisors (35458024).

70916042 is a wasteful number, since it uses less digits than its factorization.

70916042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35458023.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 70916042 is about 8421.1663087722. The cubic root of 70916042 is about 413.9184923594.

Adding to 70916042 its reverse (24061907), we get a palindrome (94977949).

The spelling of 70916042 in words is "seventy million, nine hundred sixteen thousand, forty-two".

Divisors: 1 2 35458021 70916042