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70538196 = 2238966047
BaseRepresentation
bin1000011010001…
…01001111010100
311220201201012210
410031011033110
5121024210241
610555513420
71514364501
oct415051724
9156651183
1070538196
11368a9433
121b758870
13117c97a1
1495224a8
1562d5316
hex43453d4

70538196 has 24 divisors (see below), whose sum is σ = 166440960. Its totient is φ = 23248192.

The previous prime is 70538161. The next prime is 70538227. The reversal of 70538196 is 69183507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31956 + ... + 34091.

It is an arithmetic number, because the mean of its divisors is an integer number (6935040).

Almost surely, 270538196 is an apocalyptic number.

It is an amenable number.

70538196 is an abundant number, since it is smaller than the sum of its proper divisors (95902764).

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

70538196 is a wasteful number, since it uses less digits than its factorization.

70538196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66143 (or 66141 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 70538196 is about 8398.7020425778. The cubic root of 70538196 is about 413.1820532635.

The spelling of 70538196 in words is "seventy million, five hundred thirty-eight thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 66047 132094 198141 264188 396282 792564 5878183 11756366 17634549 23512732 35269098 70538196