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474281920 = 2657832551
BaseRepresentation
bin11100010001001…
…111011111000000
31020001110000111001
4130101033133000
51432404010140
6115021301344
714516221060
oct3421173700
91201400431
10474281920
112237a1032
12112a04854
137734c0b8
1446dbd3a0
152b987e9a
hex1c44f7c0

474281920 has 112 divisors (see below), whose sum is σ = 1306787328. Its totient is φ = 160588800.

The previous prime is 474281869. The next prime is 474281923. The reversal of 474281920 is 29182474.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 474281920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474281923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184645 + ... + 187195.

It is an arithmetic number, because the mean of its divisors is an integer number (11667744).

Almost surely, 2474281920 is an apocalyptic number.

474281920 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 474281920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653393664).

474281920 is an abundant number, since it is smaller than the sum of its proper divisors (832505408).

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

474281920 is a wasteful number, since it uses less digits than its factorization.

474281920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 474281920 is about 21778.0146018869. The cubic root of 474281920 is about 779.8519990945.

The spelling of 474281920 in words is "four hundred seventy-four million, two hundred eighty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 83 112 140 160 166 224 280 320 332 415 448 560 581 664 830 1120 1162 1328 1660 2240 2324 2551 2656 2905 3320 4648 5102 5312 5810 6640 9296 10204 11620 12755 13280 17857 18592 20408 23240 25510 26560 35714 37184 40816 46480 51020 71428 81632 89285 92960 102040 142856 163264 178570 185920 204080 211733 285712 357140 408160 423466 571424 714280 816320 846932 1058665 1142848 1428560 1482131 1693864 2117330 2857120 2964262 3387728 4234660 5714240 5928524 6775456 7410655 8469320 11857048 13550912 14821310 16938640 23714096 29642620 33877280 47428192 59285240 67754560 94856384 118570480 237140960 474281920