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70616141 = 1923283571
BaseRepresentation
bin1000011010110…
…00010001001101
311220212200010122
410031120101031
5121034204031
611001314325
71515140651
oct415302115
9156780118
1070616141
1136951a52
121b7959a5
13118260cb
149542a61
1562ed47b
hex435844d

70616141 has 16 divisors (see below), whose sum is σ = 77975040. Its totient is φ = 63653040.

The previous prime is 70616129. The next prime is 70616149. The reversal of 70616141 is 14161607.

It is not a de Polignac number, because 70616141 - 222 = 66421837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70616141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70616149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 123386 + ... + 123956.

It is an arithmetic number, because the mean of its divisors is an integer number (4873440).

Almost surely, 270616141 is an apocalyptic number.

It is an amenable number.

70616141 is a deficient number, since it is larger than the sum of its proper divisors (7358899).

70616141 is a wasteful number, since it uses less digits than its factorization.

70616141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 70616141 is about 8403.3410617444. The cubic root of 70616141 is about 413.3341865371.

Adding to 70616141 its reverse (14161607), we get a palindrome (84777748).

The spelling of 70616141 in words is "seventy million, six hundred sixteen thousand, one hundred forty-one".

Divisors: 1 19 23 283 437 571 5377 6509 10849 13133 123671 161593 249527 3070267 3716639 70616141