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248993755 = 5409912149
BaseRepresentation
bin11101101011101…
…01011111011011
3122100112012012221
432311311133123
51002220300010
640412444511
76112261213
oct1665653733
9570465187
10248993755
1111860676a
126b479737
133c77c6aa
14250d7243
1516cd5dda
hexed757db

248993755 has 8 divisors (see below), whose sum is σ = 298890000. Its totient is φ = 199130016.

The previous prime is 248993743. The next prime is 248993777. The reversal of 248993755 is 557399842.

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 248993755 - 217 = 248862683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14421 + ... + 26569.

It is an arithmetic number, because the mean of its divisors is an integer number (37361250).

Almost surely, 2248993755 is an apocalyptic number.

248993755 is a deficient number, since it is larger than the sum of its proper divisors (49896245).

248993755 is a wasteful number, since it uses less digits than its factorization.

248993755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16253.

The product of its digits is 2721600, while the sum is 52.

The square root of 248993755 is about 15779.5359564215. The cubic root of 248993755 is about 629.1141956056.

The spelling of 248993755 in words is "two hundred forty-eight million, nine hundred ninety-three thousand, seven hundred fifty-five".

Divisors: 1 5 4099 12149 20495 60745 49798751 248993755