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70036072 = 2323337573
BaseRepresentation
bin1000010110010…
…10101001101000
311212210012102121
410023022221220
5120412123242
610541041024
71510203541
oct413125150
9155705377
1070036072
1136596157
121b556174
1311682082
1494314c8
156236667
hex42caa68

70036072 has 16 divisors (see below), whose sum is σ = 131884740. Its totient is φ = 34866816.

The previous prime is 70036069. The next prime is 70036091. The reversal of 70036072 is 27063007.

It can be written as a sum of positive squares in 2 ways, for example, as 68657796 + 1378276 = 8286^2 + 1174^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16923 + ... + 20650.

Almost surely, 270036072 is an apocalyptic number.

It is an amenable number.

70036072 is a deficient number, since it is larger than the sum of its proper divisors (61848668).

70036072 is a wasteful number, since it uses less digits than its factorization.

70036072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37812 (or 37808 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 70036072 is about 8368.7557020145. The cubic root of 70036072 is about 412.1993097307.

Adding to 70036072 its reverse (27063007), we get a palindrome (97099079).

The spelling of 70036072 in words is "seventy million, thirty-six thousand, seventy-two".

Divisors: 1 2 4 8 233 466 932 1864 37573 75146 150292 300584 8754509 17509018 35018036 70036072