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70530936 = 2337419827
BaseRepresentation
bin1000011010000…
…11011101111000
311220201100020220
410031003131320
5121023442221
610555420040
71514334360
oct415033570
9156640226
1070530936
11368a3a33
121b754620
13117c63a8
14951d9a0
1562d30c6
hex4343778

70530936 has 32 divisors (see below), whose sum is σ = 201517440. Its totient is φ = 20151648.

The previous prime is 70530913. The next prime is 70530953. The reversal of 70530936 is 63903507.

It is a super-2 number, since 2×705309362 = 9949225866072192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70530897 and 70530906.

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 7 ways as a sum of consecutive naturals, for example, 209746 + ... + 210081.

It is an arithmetic number, because the mean of its divisors is an integer number (6297420).

Almost surely, 270530936 is an apocalyptic number.

It is an amenable number.

70530936 is an abundant number, since it is smaller than the sum of its proper divisors (130986504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70530936 is a wasteful number, since it uses less digits than its factorization.

70530936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419843 (or 419839 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 70530936 is about 8398.2698218145. The cubic root of 70530936 is about 413.1678774704.

The spelling of 70530936 in words is "seventy million, five hundred thirty thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 419827 839654 1259481 1679308 2518962 2938789 3358616 5037924 5877578 8816367 10075848 11755156 17632734 23510312 35265468 70530936