Search a number
-
+
1514021040 = 243257714231
BaseRepresentation
bin101101000111110…
…0010000010110000
310220111220020102100
41122033202002300
511100042133130
6410122420400
752342652340
oct13217420260
93814806370
101514021040
11707697464
12363061700
131b189114c
14105112d20
158cdb8c60
hex5a3e20b0

1514021040 has 240 divisors, whose sum is σ = 5894194176. Its totient is φ = 341107200.

The previous prime is 1514020987. The next prime is 1514021053. The reversal of 1514021040 is 401204151.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355725 + ... + 359955.

Almost surely, 21514021040 is an apocalyptic number.

1514021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1514021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2947097088).

1514021040 is an abundant number, since it is smaller than the sum of its proper divisors (4380173136).

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

1514021040 is a wasteful number, since it uses less digits than its factorization.

1514021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4319 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1514021040 is about 38910.4232822004. The cubic root of 1514021040 is about 1148.2698722492.

Adding to 1514021040 its reverse (401204151), we get a palindrome (1915225191).

The spelling of 1514021040 in words is "one billion, five hundred fourteen million, twenty-one thousand, forty".