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10550040 = 233587917
BaseRepresentation
bin101000001111…
…101100011000
3201211222221020
4220033230120
510200100130
61014042440
7155450064
oct50175430
921758836
1010550040
115a56446
123649420
132255037
141588aa4
15dd5e10
hexa0fb18

10550040 has 32 divisors (see below), whose sum is σ = 31650480. Its totient is φ = 2813312.

The previous prime is 10550027. The next prime is 10550087. The reversal of 10550040 is 4005501.

It is a super-2 number, since 2×105500402 = 222606688003200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43839 + ... + 44078.

Almost surely, 210550040 is an apocalyptic number.

10550040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10550040 is an abundant number, since it is smaller than the sum of its proper divisors (21100440).

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

10550040 is a wasteful number, since it uses less digits than its factorization.

10550040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87931 (or 87927 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 10550040 is about 3248.0825112672. The cubic root of 10550040 is about 219.3232648029.

Adding to 10550040 its reverse (4005501), we get a palindrome (14555541).

The spelling of 10550040 in words is "ten million, five hundred fifty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 87917 175834 263751 351668 439585 527502 703336 879170 1055004 1318755 1758340 2110008 2637510 3516680 5275020 10550040