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42670378 = 2179119191
BaseRepresentation
bin1010001011000…
…1100100101010
32222021212202101
42202301210222
541410423003
64122324014
71025456302
oct242614452
988255671
1042670378
11220a4983
121235960a
138ac015a
14594a602
153b2d11d
hex28b192a

42670378 has 8 divisors (see below), whose sum is σ = 64363680. Its totient is φ = 21215820.

The previous prime is 42670367. The next prime is 42670387. The reversal of 42670378 is 87307624.

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

It is a super-2 number, since 2×426703782 = 3641522317325768, 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, 59238 + ... + 59953.

It is an arithmetic number, because the mean of its divisors is an integer number (8045460).

Almost surely, 242670378 is an apocalyptic number.

42670378 is a deficient number, since it is larger than the sum of its proper divisors (21693302).

42670378 is a wasteful number, since it uses less digits than its factorization.

42670378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119372.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 42670378 is about 6532.2567310234. The cubic root of 42670378 is about 349.4423173142.

The spelling of 42670378 in words is "forty-two million, six hundred seventy thousand, three hundred seventy-eight".

Divisors: 1 2 179 358 119191 238382 21335189 42670378