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70384038 = 2327742349
BaseRepresentation
bin1000011000111…
…11100110100110
311220102212202020
410030133212212
5121004242123
610552324010
71513153164
oct414374646
9156385666
1070384038
113680362a
121b6a3606
131177457a
1494c2234
1562a47e3
hex431f9a6

70384038 has 16 divisors (see below), whose sum is σ = 141279600. Its totient is φ = 23376096.

The previous prime is 70384031. The next prime is 70384049. The reversal of 70384038 is 83048307.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70384031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19513 + ... + 22836.

It is an arithmetic number, because the mean of its divisors is an integer number (8829975).

Almost surely, 270384038 is an apocalyptic number.

70384038 is an abundant number, since it is smaller than the sum of its proper divisors (70895562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70384038 is a wasteful number, since it uses less digits than its factorization.

70384038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42631.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 70384038 is about 8389.5195333225. The cubic root of 70384038 is about 412.8808369010.

The spelling of 70384038 in words is "seventy million, three hundred eighty-four thousand, thirty-eight".

Divisors: 1 2 3 6 277 554 831 1662 42349 84698 127047 254094 11730673 23461346 35192019 70384038