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474990378 = 2379165063
BaseRepresentation
bin11100010011111…
…100011100101010
31020002210000022020
4130103330130222
51433044143003
6115044405310
714525231412
oct3423743452
91202700266
10474990378
11224135335
121130a6836
13775396c5
1447125642
152ba77d53
hex1c4fc72a

474990378 has 8 divisors (see below), whose sum is σ = 949980768. Its totient is φ = 158330124.

The previous prime is 474990377. The next prime is 474990407. The reversal of 474990378 is 873099474.

It is a happy number.

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

474990378 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 474990378.

It is not an unprimeable number, because it can be changed into a prime (474990377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39582526 + ... + 39582537.

It is an arithmetic number, because the mean of its divisors is an integer number (118747596).

Almost surely, 2474990378 is an apocalyptic number.

474990378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

474990378 is a wasteful number, since it uses less digits than its factorization.

474990378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79165068.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 474990378 is about 21794.2739727663. The cubic root of 474990378 is about 780.2401068826.

The spelling of 474990378 in words is "four hundred seventy-four million, nine hundred ninety thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 79165063 158330126 237495189 474990378