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121471472 = 248985303
BaseRepresentation
bin1110011110110…
…00000111110000
322110120101112102
413033120013300
5222044041342
620015315532
73003330143
oct717300760
9273511472
10121471472
1162627351
123481bba8
131c220915
14121c005a
15a9e6832
hex73d81f0

121471472 has 20 divisors (see below), whose sum is σ = 237998160. Its totient is φ = 60052608.

The previous prime is 121471421. The next prime is 121471507. The reversal of 121471472 is 274174121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41228 + ... + 44075.

It is an arithmetic number, because the mean of its divisors is an integer number (11899908).

Almost surely, 2121471472 is an apocalyptic number.

It is an amenable number.

121471472 is a deficient number, since it is larger than the sum of its proper divisors (116526688).

121471472 is an equidigital number, since it uses as much as digits as its factorization.

121471472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85400 (or 85394 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 121471472 is about 11021.4097101959. The cubic root of 121471472 is about 495.2503199457.

The spelling of 121471472 in words is "one hundred twenty-one million, four hundred seventy-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 89 178 356 712 1424 85303 170606 341212 682424 1364848 7591967 15183934 30367868 60735736 121471472