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223475472 = 2432111743193
BaseRepresentation
bin11010101000111…
…11011100010000
3120120111201201100
431110133130100
5424202203342
634101504400
75352336663
oct1524373420
9516451640
10223475472
11105167480
1262a12100
13373b660c
14219736da
1514944e4c
hexd51f710

223475472 has 240 divisors, whose sum is σ = 743041728. Its totient is φ = 61931520.

The previous prime is 223475453. The next prime is 223475491. The reversal of 223475472 is 274574322.

It is a happy number.

223475472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223475453) and next prime (223475491).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1157808 + ... + 1158000.

Almost surely, 2223475472 is an apocalyptic number.

223475472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223475472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371520864).

223475472 is an abundant number, since it is smaller than the sum of its proper divisors (519566256).

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

223475472 is a wasteful number, since it uses less digits than its factorization.

223475472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 269 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 223475472 is about 14949.0960261817. The cubic root of 223475472 is about 606.8433834235.

The spelling of 223475472 in words is "two hundred twenty-three million, four hundred seventy-five thousand, four hundred seventy-two".