Search a number
-
+
248397392 = 2473212669
BaseRepresentation
bin11101100111000…
…11111001010000
3122022101220011102
432303203321100
51002042204032
640352003532
76104225435
oct1663437120
9568356142
10248397392
11118239701
126b2305a8
133c601109
1424dbdb8c
1516c19362
hexece3e50

248397392 has 20 divisors (see below), whose sum is σ = 487864980. Its totient is φ = 122496768.

The previous prime is 248397377. The next prime is 248397419. The reversal of 248397392 is 293793842.

It can be written as a sum of positive squares in 2 ways, for example, as 95726656 + 152670736 = 9784^2 + 12356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105167 + ... + 107502.

It is an arithmetic number, because the mean of its divisors is an integer number (24393249).

Almost surely, 2248397392 is an apocalyptic number.

It is an amenable number.

248397392 is a deficient number, since it is larger than the sum of its proper divisors (239467588).

248397392 is a wasteful number, since it uses less digits than its factorization.

248397392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212750 (or 212744 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 248397392 is about 15760.6279062733. The cubic root of 248397392 is about 628.6115319159.

The spelling of 248397392 in words is "two hundred forty-eight million, three hundred ninety-seven thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 73 146 292 584 1168 212669 425338 850676 1701352 3402704 15524837 31049674 62099348 124198696 248397392