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70706072 = 235922539
BaseRepresentation
bin1000011011011…
…10001110011000
311221001020111102
410031232032120
5121100043242
611003250532
71515664103
oct415561630
9157036442
1070706072
1136a03578
121b819a48
1311858018
14956773a
156319e32
hex436e398

70706072 has 24 divisors (see below), whose sum is σ = 134912100. Its totient is φ = 34740144.

The previous prime is 70706059. The next prime is 70706159. The reversal of 70706072 is 27060707.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 26579 + ... + 29117.

Almost surely, 270706072 is an apocalyptic number.

It is an amenable number.

70706072 is a deficient number, since it is larger than the sum of its proper divisors (64206028).

70706072 is a wasteful number, since it uses less digits than its factorization.

70706072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2600 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 70706072 is about 8408.6902666230. The cubic root of 70706072 is about 413.5095750899.

Adding to 70706072 its reverse (27060707), we get a palindrome (97766779).

The spelling of 70706072 in words is "seventy million, seven hundred six thousand, seventy-two".

Divisors: 1 2 4 8 59 118 236 472 2539 3481 5078 6962 10156 13924 20312 27848 149801 299602 599204 1198408 8838259 17676518 35353036 70706072