Search a number
-
+
1518345048 = 233115751307
BaseRepresentation
bin101101010000000…
…0001101101011000
310220211000220211210
41122200001231120
511102144020143
6410355223120
752424501643
oct13240015530
93824026753
101518345048
1170a080120
123645a7aa0
131b274632c
1410591aa5a
158d470033
hex5a801b58

1518345048 has 32 divisors (see below), whose sum is σ = 4140941760. Its totient is φ = 460104480.

The previous prime is 1518345047. The next prime is 1518345079. The reversal of 1518345048 is 8405438151.

It is a super-2 number, since 2×15183450482 = 4610743369572244608, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1518344997 and 1518345015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1518345047) 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, 2875390 + ... + 2875917.

It is an arithmetic number, because the mean of its divisors is an integer number (129404430).

Almost surely, 21518345048 is an apocalyptic number.

It is an amenable number.

1518345048 is an abundant number, since it is smaller than the sum of its proper divisors (2622596712).

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

1518345048 is a wasteful number, since it uses less digits than its factorization.

1518345048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751327 (or 5751323 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 1518345048 is about 38965.9472873431. The cubic root of 1518345048 is about 1149.3619770275.

The spelling of 1518345048 in words is "one billion, five hundred eighteen million, three hundred forty-five thousand, forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 5751307 11502614 17253921 23005228 34507842 46010456 63264377 69015684 126528754 138031368 189793131 253057508 379586262 506115016 759172524 1518345048