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244021475 = 5237331797
BaseRepresentation
bin11101000101101…
…11100011100011
3122000011120112102
432202313203203
5444432141400
640114121015
76022101605
oct1642674343
9560146472
10244021475
1111581aa45
126988016b
133b72b409
14245a1175
15166529d5
hexe8b78e3

244021475 has 24 divisors (see below), whose sum is σ = 312094608. Its totient is φ = 189129600.

The previous prime is 244021469. The next prime is 244021501. The reversal of 244021475 is 574120442.

It is not a de Polignac number, because 244021475 - 212 = 244017379 is a prime.

It is a super-2 number, since 2×2440214752 = 119092960522351250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305777 + ... + 306573.

It is an arithmetic number, because the mean of its divisors is an integer number (13003942).

Almost surely, 2244021475 is an apocalyptic number.

244021475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

244021475 is a deficient number, since it is larger than the sum of its proper divisors (68073133).

244021475 is a wasteful number, since it uses less digits than its factorization.

244021475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 244021475 is about 15621.1867346882. The cubic root of 244021475 is about 624.8983087885.

The spelling of 244021475 in words is "two hundred forty-four million, twenty-one thousand, four hundred seventy-five".

Divisors: 1 5 25 37 185 331 797 925 1655 3985 8275 12247 19925 29489 61235 147445 263807 306175 737225 1319035 6595175 9760859 48804295 244021475