Search a number
-
+
1373242480 = 24519903449
BaseRepresentation
bin101000111011010…
…0000010001110000
310112200222221112121
41101312200101300
510303022224410
6344133204024
746013240251
oct12166402160
93480887477
101373242480
11645183445
12323a90614
1318b67061c
14d0548b28
158085b9da
hex51da0470

1373242480 has 40 divisors (see below), whose sum is σ = 3360834000. Its totient is φ = 520386048.

The previous prime is 1373242469. The next prime is 1373242487. The reversal of 1373242480 is 842423731.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373242487) 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, 450205 + ... + 453244.

It is an arithmetic number, because the mean of its divisors is an integer number (84020850).

Almost surely, 21373242480 is an apocalyptic number.

1373242480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373242480 is an abundant number, since it is smaller than the sum of its proper divisors (1987591520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373242480 is a wasteful number, since it uses less digits than its factorization.

1373242480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903481 (or 903475 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1373242480 is about 37057.2864629886. The cubic root of 1373242480 is about 1111.5160627356.

The spelling of 1373242480 in words is "one billion, three hundred seventy-three million, two hundred forty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 903449 1806898 3613796 4517245 7227592 9034490 14455184 17165531 18068980 34331062 36137960 68662124 72275920 85827655 137324248 171655310 274648496 343310620 686621240 1373242480