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474976440 = 233351979293
BaseRepresentation
bin11100010011111…
…001000010111000
31020002202022012000
4130103321002320
51433043221230
6115044221000
714525142651
oct3423710270
91202668160
10474976440
11224125914
1211309a760
1377533263
1447120528
152ba73b60
hex1c4f90b8

474976440 has 256 divisors, whose sum is σ = 1693440000. Its totient is φ = 118070784.

The previous prime is 474976429. The next prime is 474976441. The reversal of 474976440 is 44679474.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474976441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1620934 + ... + 1621226.

It is an arithmetic number, because the mean of its divisors is an integer number (6615000).

Almost surely, 2474976440 is an apocalyptic number.

474976440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474976440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720000).

474976440 is an abundant number, since it is smaller than the sum of its proper divisors (1218463560).

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

474976440 is a wasteful number, since it uses less digits than its factorization.

474976440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 474976440 is about 21793.9542075320. The cubic root of 474976440 is about 780.2324750838.

The spelling of 474976440 in words is "four hundred seventy-four million, nine hundred seventy-six thousand, four hundred forty".