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70969378 = 2127279407
BaseRepresentation
bin1000011101011…
…10100000100010
311221112121200111
410032232200202
5121132010003
611013041534
71521141544
oct416564042
9157477614
1070969378
1137073387
121b9262aa
131191ab1c
1495d5694
15636ce6d
hex43ae822

70969378 has 8 divisors (see below), whose sum is σ = 107292672. Its totient is φ = 35205156.

The previous prime is 70969357. The next prime is 70969387. The reversal of 70969378 is 87396907.

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

It is a super-2 number, since 2×709693782 = 10073305227413768, which contains 22 as substring.

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, 139450 + ... + 139957.

It is an arithmetic number, because the mean of its divisors is an integer number (13411584).

Almost surely, 270969378 is an apocalyptic number.

70969378 is a deficient number, since it is larger than the sum of its proper divisors (36323294).

70969378 is a wasteful number, since it uses less digits than its factorization.

70969378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279536.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 70969378 is about 8424.3324958124. The cubic root of 70969378 is about 414.0222358085.

The spelling of 70969378 in words is "seventy million, nine hundred sixty-nine thousand, three hundred seventy-eight".

Divisors: 1 2 127 254 279407 558814 35484689 70969378