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245429970 = 23559138661
BaseRepresentation
bin11101010000011…
…11011011010010
3122002211010121220
432220033123102
51000312224340
640204225510
76040056162
oct1650173322
9562733556
10245429970
111165a2195
126a23b296
133bb02546
142484a5a2
151682eed0
hexea0f6d2

245429970 has 32 divisors (see below), whose sum is σ = 599019840. Its totient is φ = 64338240.

The previous prime is 245429963. The next prime is 245429971. The reversal of 245429970 is 79924542.

It is not an unprimeable number, because it can be changed into a prime (245429971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67561 + ... + 71100.

It is an arithmetic number, because the mean of its divisors is an integer number (18719370).

Almost surely, 2245429970 is an apocalyptic number.

245429970 is an abundant number, since it is smaller than the sum of its proper divisors (353589870).

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

245429970 is a wasteful number, since it uses less digits than its factorization.

245429970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138730.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 245429970 is about 15666.2047095013. The cubic root of 245429970 is about 626.0983098808.

The spelling of 245429970 in words is "two hundred forty-five million, four hundred twenty-nine thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 138661 277322 415983 693305 831966 1386610 2079915 4159830 8180999 16361998 24542997 40904995 49085994 81809990 122714985 245429970