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248225061 = 3711820241
BaseRepresentation
bin11101100101110…
…01110100100101
3122022002010202210
432302321310211
51002021200221
640344154033
76102610140
oct1662716445
9568063683
10248225061
11118131187
126b168919
133c570846
1424d77057
1516bd3276
hexecb9d25

248225061 has 8 divisors (see below), whose sum is σ = 378247744. Its totient is φ = 141842880.

The previous prime is 248225059. The next prime is 248225069. The reversal of 248225061 is 160522842.

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

It is not a de Polignac number, because 248225061 - 21 = 248225059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248225069) 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, 5910100 + ... + 5910141.

It is an arithmetic number, because the mean of its divisors is an integer number (47280968).

Almost surely, 2248225061 is an apocalyptic number.

248225061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

248225061 is a deficient number, since it is larger than the sum of its proper divisors (130022683).

248225061 is a wasteful number, since it uses less digits than its factorization.

248225061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820251.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 248225061 is about 15755.1598214680. The cubic root of 248225061 is about 628.4661273895.

The spelling of 248225061 in words is "two hundred forty-eight million, two hundred twenty-five thousand, sixty-one".

Divisors: 1 3 7 21 11820241 35460723 82741687 248225061