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70134732 = 22321948187
BaseRepresentation
bin1000010111000…
…10101111001100
311212222012202200
410023202233030
5120423302412
610543121500
71511064303
oct413425714
9155865680
1070134732
1136653298
121b5a3290
13116b7c55
14945943a
1562559dc
hex42e2bcc

70134732 has 18 divisors (see below), whose sum is σ = 177285108. Its totient is φ = 23378232.

The previous prime is 70134709. The next prime is 70134737. The reversal of 70134732 is 23743107.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 70134696 and 70134705.

It is not an unprimeable number, because it can be changed into a prime (70134737) 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 5 ways as a sum of consecutive naturals, for example, 974058 + ... + 974129.

Almost surely, 270134732 is an apocalyptic number.

It is an amenable number.

70134732 is an abundant number, since it is smaller than the sum of its proper divisors (107150376).

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

70134732 is a wasteful number, since it uses less digits than its factorization.

70134732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948197 (or 1948192 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 70134732 is about 8374.6481717144. The cubic root of 70134732 is about 412.3927743339.

Adding to 70134732 its reverse (23743107), we get a palindrome (93877839).

The spelling of 70134732 in words is "seventy million, one hundred thirty-four thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1948187 3896374 5844561 7792748 11689122 17533683 23378244 35067366 70134732