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378014831 is a prime number
BaseRepresentation
bin10110100010000…
…000110001101111
3222100022010212022
4112202000301233
51233232433311
6101302100355
712240034025
oct2642006157
9870263768
10378014831
1118441a157
12a671a6bb
136041471c
14382c0715
15232be5db
hex16880c6f

378014831 has 2 divisors, whose sum is σ = 378014832. Its totient is φ = 378014830.

The previous prime is 378014827. The next prime is 378014851. The reversal of 378014831 is 138410873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378014831 - 22 = 378014827 is a prime.

It is a super-2 number, since 2×3780148312 = 285790424911917122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 378014791 and 378014800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378014801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189007415 + 189007416.

It is an arithmetic number, because the mean of its divisors is an integer number (189007416).

Almost surely, 2378014831 is an apocalyptic number.

378014831 is a deficient number, since it is larger than the sum of its proper divisors (1).

378014831 is an equidigital number, since it uses as much as digits as its factorization.

378014831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 378014831 is about 19442.6035036463. The cubic root of 378014831 is about 723.0521354305.

The spelling of 378014831 in words is "three hundred seventy-eight million, fourteen thousand, eight hundred thirty-one".