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4649140 = 225232457
BaseRepresentation
bin10001101111000010110100
322202012102101
4101233002310
52142233030
6243351444
754342226
oct21570264
98665371
104649140
112695a71
121682584
13c6a192
14890416
1561c7ca
hex46f0b4

4649140 has 12 divisors (see below), whose sum is σ = 9763236. Its totient is φ = 1859648.

The previous prime is 4649137. The next prime is 4649147. The reversal of 4649140 is 419464.

4649140 = T462 + T463 + ... + T501.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 2108304 = 1594^2 + 1452^2 .

It is a super-2 number, since 2×46491402 = 43229005479200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4649099 and 4649108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116209 + ... + 116248.

It is an arithmetic number, because the mean of its divisors is an integer number (813603).

Almost surely, 24649140 is an apocalyptic number.

It is an amenable number.

4649140 is an abundant number, since it is smaller than the sum of its proper divisors (5114096).

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

4649140 is a wasteful number, since it uses less digits than its factorization.

4649140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232466 (or 232464 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4649140 is about 2156.1864483388. The cubic root of 4649140 is about 166.9004629934.

It can be divided in two parts, 464 and 9140, that added together give a square (9604 = 982).

The spelling of 4649140 in words is "four million, six hundred forty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 232457 464914 929828 1162285 2324570 4649140