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70489312 = 252202791
BaseRepresentation
bin1000011001110…
…01010011100000
311220122020011021
410030321103200
5121021124222
610554455224
71514102125
oct414712340
9156566137
1070489312
1136875733
121b734514
13117b046a
14950c74c
1562c5ac7
hex43394e0

70489312 has 12 divisors (see below), whose sum is σ = 138775896. Its totient is φ = 35244640.

The previous prime is 70489301. The next prime is 70489313. The reversal of 70489312 is 21398407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70489313) 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 as a sum of consecutive naturals, namely, 1101364 + ... + 1101427.

It is an arithmetic number, because the mean of its divisors is an integer number (11564658).

Almost surely, 270489312 is an apocalyptic number.

It is an amenable number.

70489312 is a deficient number, since it is larger than the sum of its proper divisors (68286584).

70489312 is a wasteful number, since it uses less digits than its factorization.

70489312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202801 (or 2202793 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 70489312 is about 8395.7913266112. The cubic root of 70489312 is about 413.0865841405.

The spelling of 70489312 in words is "seventy million, four hundred eighty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 2202791 4405582 8811164 17622328 35244656 70489312