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489444352 = 210477973
BaseRepresentation
bin11101001011000…
…101010000000000
31021002222100102121
4131023011100000
52000244204402
6120322254024
715062131315
oct3513052000
91232870377
10489444352
11231307871
12117ab7314
137a52a657
1449008d0c
152ce80837
hex1d2c5400

489444352 has 22 divisors (see below), whose sum is σ = 978412778. Its totient is φ = 244721664.

The previous prime is 489444349. The next prime is 489444367. The reversal of 489444352 is 253444984.

It can be written as a sum of positive squares in only one way, i.e., 410305536 + 79138816 = 20256^2 + 8896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 489444299 and 489444308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237963 + ... + 240010.

Almost surely, 2489444352 is an apocalyptic number.

It is an amenable number.

489444352 is a deficient number, since it is larger than the sum of its proper divisors (488968426).

489444352 is an equidigital number, since it uses as much as digits as its factorization.

489444352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477993 (or 477975 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 489444352 is about 22123.3892521015. The cubic root of 489444352 is about 788.0754048449.

The spelling of 489444352 in words is "four hundred eighty-nine million, four hundred forty-four thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 477973 955946 1911892 3823784 7647568 15295136 30590272 61180544 122361088 244722176 489444352