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10054640 = 245125683
BaseRepresentation
bin100110010110…
…101111110000
3200220211101002
4212112233300
510033222030
6555301132
7151314551
oct46265760
920824332
1010054640
115748222
12344a7a8
1321106bb
14149a328
15d39245
hex996bf0

10054640 has 20 divisors (see below), whose sum is σ = 23377224. Its totient is φ = 4021824.

The previous prime is 10054631. The next prime is 10054661. The reversal of 10054640 is 4645001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62762 + ... + 62921.

Almost surely, 210054640 is an apocalyptic number.

10054640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10054640 is an abundant number, since it is smaller than the sum of its proper divisors (13322584).

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

10054640 is a wasteful number, since it uses less digits than its factorization.

10054640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125696 (or 125690 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10054640 is about 3170.9052335256. The cubic root of 10054640 is about 215.8351508554.

Adding to 10054640 its reverse (4645001), we get a palindrome (14699641).

The spelling of 10054640 in words is "ten million, fifty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 125683 251366 502732 628415 1005464 1256830 2010928 2513660 5027320 10054640