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70670378 = 246176649
BaseRepresentation
bin1000011011001…
…01100000101010
311220222102112102
410031211200222
5121042423003
611002413402
71515455042
oct415454052
9156872472
1070670378
1136989779
121b801262
13118449bc
149558722
15630e588
hex436582a

70670378 has 8 divisors (see below), whose sum is σ = 106236900. Its totient is φ = 35258080.

The previous prime is 70670357. The next prime is 70670381. The reversal of 70670378 is 87307607.

It can be written as a sum of positive squares in 2 ways, for example, as 68277169 + 2393209 = 8263^2 + 1547^2 .

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

It is a Curzon 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, 37403 + ... + 39246.

Almost surely, 270670378 is an apocalyptic number.

70670378 is a deficient number, since it is larger than the sum of its proper divisors (35566522).

70670378 is a wasteful number, since it uses less digits than its factorization.

70670378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77112.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 70670378 is about 8406.5675516230. The cubic root of 70670378 is about 413.4399804297.

The spelling of 70670378 in words is "seventy million, six hundred seventy thousand, three hundred seventy-eight".

Divisors: 1 2 461 922 76649 153298 35335189 70670378