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70616240 = 245882703
BaseRepresentation
bin1000011010110…
…00010010110000
311220212200021022
410031120102300
5121034204430
611001315012
71515141152
oct415302260
9156780238
1070616240
1136952032
121b795a68
1311826176
149542ad2
1562ed4e5
hex43584b0

70616240 has 20 divisors (see below), whose sum is σ = 164182944. Its totient is φ = 28246464.

The previous prime is 70616237. The next prime is 70616251. The reversal of 70616240 is 4261607.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441272 + ... + 441431.

Almost surely, 270616240 is an apocalyptic number.

It is an amenable number.

70616240 is an abundant number, since it is smaller than the sum of its proper divisors (93566704).

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

70616240 is a wasteful number, since it uses less digits than its factorization.

70616240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882716 (or 882710 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 70616240 is about 8403.3469522566. The cubic root of 70616240 is about 413.3343796944.

Adding to 70616240 its reverse (4261607), we get a palindrome (74877847).

The spelling of 70616240 in words is "seventy million, six hundred sixteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 882703 1765406 3530812 4413515 7061624 8827030 14123248 17654060 35308120 70616240