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378498403 = 652158043
BaseRepresentation
bin10110100011110…
…110110101100011
3222101012201012101
4112203312311203
51233343422103
6101320311231
712244116613
oct2643666543
9871181171
10378498403
1118471a4a8
12a6912517
136055386a
14383a8a43
1523367a1d
hex168f6d63

378498403 has 4 divisors (see below), whose sum is σ = 378562968. Its totient is φ = 378433840.

The previous prime is 378498377. The next prime is 378498443. The reversal of 378498403 is 304894873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378498403 - 25 = 378498371 is a prime.

It is a super-2 number, since 2×3784984032 = 286522082147100818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378498443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22501 + ... + 35542.

It is an arithmetic number, because the mean of its divisors is an integer number (94640742).

Almost surely, 2378498403 is an apocalyptic number.

378498403 is a deficient number, since it is larger than the sum of its proper divisors (64565).

378498403 is an equidigital number, since it uses as much as digits as its factorization.

378498403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64564.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 378498403 is about 19455.0354150282. The cubic root of 378498403 is about 723.3603233196.

The spelling of 378498403 in words is "three hundred seventy-eight million, four hundred ninety-eight thousand, four hundred three".

Divisors: 1 6521 58043 378498403