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70495312 = 2413733209
BaseRepresentation
bin1000011001110…
…10110001010000
311220122112101111
410030322301100
5121021322222
610554543104
71514125456
oct414726120
9156575344
1070495312
113687a198
121b737a94
13117b3104
1495109d6
1562c7777
hex433ac50

70495312 has 20 divisors (see below), whose sum is σ = 136726740. Its totient is φ = 35211008.

The previous prime is 70495291. The next prime is 70495343. The reversal of 70495312 is 21359407.

It can be written as a sum of positive squares in 2 ways, for example, as 59043856 + 11451456 = 7684^2 + 3384^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 20364 + ... + 23572.

It is an arithmetic number, because the mean of its divisors is an integer number (6836337).

Almost surely, 270495312 is an apocalyptic number.

It is an amenable number.

70495312 is a deficient number, since it is larger than the sum of its proper divisors (66231428).

70495312 is a wasteful number, since it uses less digits than its factorization.

70495312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 70495312 is about 8396.1486408948. The cubic root of 70495312 is about 413.0983043532.

It can be divided in two parts, 70495 and 312, that added together give a palindrome (70807).

The spelling of 70495312 in words is "seventy million, four hundred ninety-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 1373 2746 3209 5492 6418 10984 12836 21968 25672 51344 4405957 8811914 17623828 35247656 70495312