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70238384 = 244389899
BaseRepresentation
bin1000010111111…
…00000010110000
311220011110221122
410023330002300
5120440112014
610545241412
71512005426
oct413740260
9156143848
1070238384
1136714157
121b633268
1311723198
149485116
15627658e
hex42fc0b0

70238384 has 10 divisors (see below), whose sum is σ = 136086900. Its totient is φ = 35119184.

The previous prime is 70238369. The next prime is 70238387. The reversal of 70238384 is 48383207.

It is not an unprimeable number, because it can be changed into a prime (70238387) 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, 2194934 + ... + 2194965.

It is an arithmetic number, because the mean of its divisors is an integer number (13608690).

Almost surely, 270238384 is an apocalyptic number.

It is an amenable number.

70238384 is a deficient number, since it is larger than the sum of its proper divisors (65848516).

70238384 is a wasteful number, since it uses less digits than its factorization.

70238384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389907 (or 4389901 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 70238384 is about 8380.8343260084. The cubic root of 70238384 is about 412.5958325247.

The spelling of 70238384 in words is "seventy million, two hundred thirty-eight thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 4389899 8779798 17559596 35119192 70238384