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11472890 = 25111371113
BaseRepresentation
bin101011110000…
…111111111010
3210120212211212
4223300333322
510414113030
61045523122
7166342442
oct53607772
923525755
1011472890
116526830
123a134a2
1324b90c0
141749122
151019595
hexaf0ffa

11472890 has 64 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 3763200.

The previous prime is 11472889. The next prime is 11472917. The reversal of 11472890 is 9827411.

It is a super-3 number, since 3×114728903 (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101474 + ... + 101586.

It is an arithmetic number, because the mean of its divisors is an integer number (387828).

Almost surely, 211472890 is an apocalyptic number.

11472890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11472890 is an abundant number, since it is smaller than the sum of its proper divisors (13348102).

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

11472890 is a wasteful number, since it uses less digits than its factorization.

11472890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 11472890 is about 3387.1654816380. The cubic root of 11472890 is about 225.5403637659.

The spelling of 11472890 in words is "eleven million, four hundred seventy-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 71 110 113 130 142 143 226 286 355 565 710 715 781 923 1130 1243 1430 1469 1562 1846 2486 2938 3905 4615 6215 7345 7810 8023 9230 10153 12430 14690 16046 16159 20306 32318 40115 50765 80230 80795 88253 101530 104299 161590 176506 208598 441265 521495 882530 1042990 1147289 2294578 5736445 11472890