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224385970 = 251311571091
BaseRepresentation
bin11010101111111…
…01101110110010
3120122012222200111
431113331232302
5424420322340
634133211534
75363151334
oct1527755662
9518188614
10224385970
11105729556
1263190baa
1337644b83
1421b2d454
1514a74aea
hexd5fdbb2

224385970 has 32 divisors (see below), whose sum is σ = 409945536. Its totient is φ = 88420800.

The previous prime is 224385961. The next prime is 224385971. The reversal of 224385970 is 79583422.

It is not an unprimeable number, because it can be changed into a prime (224385971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205125 + ... + 206215.

It is an arithmetic number, because the mean of its divisors is an integer number (12810798).

Almost surely, 2224385970 is an apocalyptic number.

224385970 is a deficient number, since it is larger than the sum of its proper divisors (185559566).

224385970 is a wasteful number, since it uses less digits than its factorization.

224385970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 224385970 is about 14979.5183500672. The cubic root of 224385970 is about 607.6664133396. Note that the first 3 decimals are identical.

The spelling of 224385970 in words is "two hundred twenty-four million, three hundred eighty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 131 157 262 314 655 785 1091 1310 1570 2182 5455 10910 20567 41134 102835 142921 171287 205670 285842 342574 714605 856435 1429210 1712870 22438597 44877194 112192985 224385970