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10391772 = 2236191399
BaseRepresentation
bin100111101001…
…000011011100
3201112221211110
4213221003130
510130014042
61010422020
7154220466
oct47510334
921487743
1010391772
115958546
123591910
1321caca1
141547136
15da409c
hex9e90dc

10391772 has 24 divisors (see below), whose sum is σ = 24304000. Its totient is φ = 3455856.

The previous prime is 10391761. The next prime is 10391807. The reversal of 10391772 is 27719301.

10391772 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 6729 + ... + 8127.

Almost surely, 210391772 is an apocalyptic number.

10391772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10391772 is an abundant number, since it is smaller than the sum of its proper divisors (13912228).

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

10391772 is a wasteful number, since it uses less digits than its factorization.

10391772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 10391772 is about 3223.6271496561. The cubic root of 10391772 is about 218.2209974464.

The spelling of 10391772 in words is "ten million, three hundred ninety-one thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 619 1238 1399 1857 2476 2798 3714 4197 5596 7428 8394 16788 865981 1731962 2597943 3463924 5195886 10391772