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53849490 = 2351794983
BaseRepresentation
bin1100110101101…
…0110110010010
310202022211121120
43031122312102
5102241140430
65202103110
71222466412
oct315326622
9122284546
1053849490
112843aa12
121604aa96
13b205606
14721a642
154ada610
hex335ad92

53849490 has 16 divisors (see below), whose sum is σ = 129238848. Its totient is φ = 14359856.

The previous prime is 53849483. The next prime is 53849507. The reversal of 53849490 is 9494835.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897462 + ... + 897521.

It is an arithmetic number, because the mean of its divisors is an integer number (8077428).

Almost surely, 253849490 is an apocalyptic number.

53849490 is an abundant number, since it is smaller than the sum of its proper divisors (75389358).

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

53849490 is a wasteful number, since it uses less digits than its factorization.

53849490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794993.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 53849490 is about 7338.2211740993. The cubic root of 53849490 is about 377.6248202064.

The spelling of 53849490 in words is "fifty-three million, eight hundred forty-nine thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1794983 3589966 5384949 8974915 10769898 17949830 26924745 53849490