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70532901 = 3229270241
BaseRepresentation
bin1000011010000…
…11111100100101
311220201102221200
410031003330211
5121024023101
610555433113
71514343165
oct415037445
9156642850
1070532901
11368a545a
121b755799
13117c725a
1495205a5
1562d3986
hex4343f25

70532901 has 12 divisors (see below), whose sum is σ = 105394380. Its totient is φ = 45400320.

The previous prime is 70532887. The next prime is 70532911. The reversal of 70532901 is 10923507.

It can be written as a sum of positive squares in 2 ways, for example, as 33005025 + 37527876 = 5745^2 + 6126^2 .

It is not a de Polignac number, because 70532901 - 27 = 70532773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70532911) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 134860 + ... + 135381.

It is an arithmetic number, because the mean of its divisors is an integer number (8782865).

Almost surely, 270532901 is an apocalyptic number.

It is an amenable number.

70532901 is a deficient number, since it is larger than the sum of its proper divisors (34861479).

70532901 is a wasteful number, since it uses less digits than its factorization.

70532901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270276 (or 270273 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 70532901 is about 8398.3868093819. The cubic root of 70532901 is about 413.1717144029.

The spelling of 70532901 in words is "seventy million, five hundred thirty-two thousand, nine hundred one".

Divisors: 1 3 9 29 87 261 270241 810723 2432169 7836989 23510967 70532901