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244164553 = 4128121193
BaseRepresentation
bin11101000110110…
…10011111001001
3122000102211210121
432203122133021
51000001231203
640121143241
76023236003
oct1643323711
9560384717
10244164553
11115908496
126992ab21
133b77b589
14245db373
15166800bd
hexe8da7c9

244164553 has 8 divisors (see below), whose sum is σ = 251021736. Its totient is φ = 237350400.

The previous prime is 244164539. The next prime is 244164559. The reversal of 244164553 is 355461442.

It can be written as a sum of positive squares in 4 ways, for example, as 2424249 + 241740304 = 1557^2 + 15548^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244164553 - 213 = 244156361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244164559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 22117.

It is an arithmetic number, because the mean of its divisors is an integer number (31377717).

Almost surely, 2244164553 is an apocalyptic number.

It is an amenable number.

244164553 is a deficient number, since it is larger than the sum of its proper divisors (6857183).

244164553 is a wasteful number, since it uses less digits than its factorization.

244164553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21515.

The product of its digits is 57600, while the sum is 34.

The square root of 244164553 is about 15625.7656772396. The cubic root of 244164553 is about 625.0204178930.

The spelling of 244164553 in words is "two hundred forty-four million, one hundred sixty-four thousand, five hundred fifty-three".

Divisors: 1 41 281 11521 21193 868913 5955233 244164553