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378498474 = 2337009231
BaseRepresentation
bin10110100011110…
…110110110101010
3222101012201022000
4112203312312222
51233343422344
6101320311430
712244120044
oct2643666652
9871181260
10378498474
1118471a562
12a6912576
13605538c3
14383a8a94
1523367a69
hex168f6daa

378498474 has 16 divisors (see below), whose sum is σ = 841107840. Its totient is φ = 126166140.

The previous prime is 378498451. The next prime is 378498479. The reversal of 378498474 is 474894873.

378498474 is a `hidden beast` number, since 3 + 7 + 84 + 98 + 474 = 666.

It is a super-3 number, since 3×3784984743 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 7009231 = 378498474 / (3 + 7 + 8 + 4 + 9 + 8 + 4 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 378498474.

It is not an unprimeable number, because it can be changed into a prime (378498479) 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 7 ways as a sum of consecutive naturals, for example, 3504562 + ... + 3504669.

It is an arithmetic number, because the mean of its divisors is an integer number (52569240).

Almost surely, 2378498474 is an apocalyptic number.

378498474 is an abundant number, since it is smaller than the sum of its proper divisors (462609366).

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

378498474 is a wasteful number, since it uses less digits than its factorization.

378498474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009242 (or 7009236 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 378498474 is about 19455.0372397485. The cubic root of 378498474 is about 723.3603685498.

The spelling of 378498474 in words is "three hundred seventy-eight million, four hundred ninety-eight thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 7009231 14018462 21027693 42055386 63083079 126166158 189249237 378498474