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489504752 = 241119146383
BaseRepresentation
bin11101001011010…
…011111111110000
31021010002102021122
4131023103333300
52000303123002
6120323441412
715062502362
oct3513237760
91233072248
10489504752
11231349190
12117b26268
137a54bca9
1449022d32
152ce936a2
hex1d2d3ff0

489504752 has 40 divisors (see below), whose sum is σ = 1089096960. Its totient is φ = 210790080.

The previous prime is 489504751. The next prime is 489504773. The reversal of 489504752 is 257405984.

It is a happy number.

It is a super-2 number, since 2×4895047522 = 479229804461163008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489504751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69848 + ... + 76535.

It is an arithmetic number, because the mean of its divisors is an integer number (27227424).

Almost surely, 2489504752 is an apocalyptic number.

It is an amenable number.

489504752 is an abundant number, since it is smaller than the sum of its proper divisors (599592208).

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

489504752 is a wasteful number, since it uses less digits than its factorization.

489504752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146421 (or 146415 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 489504752 is about 22124.7542811214. The cubic root of 489504752 is about 788.1078210576.

The spelling of 489504752 in words is "four hundred eighty-nine million, five hundred four thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 152 176 209 304 418 836 1672 3344 146383 292766 585532 1171064 1610213 2342128 2781277 3220426 5562554 6440852 11125108 12881704 22250216 25763408 30594047 44500432 61188094 122376188 244752376 489504752