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70528133 = 1319285539
BaseRepresentation
bin1000011010000…
…10110010000101
311220201012102002
410031002302011
5121023400013
610555355045
71514323244
oct415026205
9156635362
1070528133
11368a1915
121b752a85
13117c5030
14951c95b
1562d2358
hex4342c85

70528133 has 8 divisors (see below), whose sum is σ = 79951200. Its totient is φ = 61676208.

The previous prime is 70528111. The next prime is 70528151. The reversal of 70528133 is 33182507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70528133 - 210 = 70527109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70528096 and 70528105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70528103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142523 + ... + 143016.

It is an arithmetic number, because the mean of its divisors is an integer number (9993900).

Almost surely, 270528133 is an apocalyptic number.

It is an amenable number.

70528133 is a deficient number, since it is larger than the sum of its proper divisors (9423067).

70528133 is a wasteful number, since it uses less digits than its factorization.

70528133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285571.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 70528133 is about 8398.1029405456. The cubic root of 70528133 is about 413.1624041043.

The spelling of 70528133 in words is "seventy million, five hundred twenty-eight thousand, one hundred thirty-three".

Divisors: 1 13 19 247 285539 3712007 5425241 70528133