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1500000045 = 35643155521
BaseRepresentation
bin101100101101000…
…0010111100101101
310212112111220020020
41121122002330231
511033000000140
6404502112353
752112534655
oct13132027455
93775456206
101500000045
116aa790265
1235a41b6b9
131ab9c22bb
14103303365
158ba496d0
hex59682f2d

1500000045 has 16 divisors (see below), whose sum is σ = 2403748032. Its totient is φ = 798750720.

The previous prime is 1500000043. The next prime is 1500000059. The reversal of 1500000045 is 5400000051.

1500000045 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1500000045 - 21 = 1500000043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1500000045 is a modest number, since divided by 45 gives 15 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500000041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68116 + ... + 87405.

It is an arithmetic number, because the mean of its divisors is an integer number (150234252).

Almost surely, 21500000045 is an apocalyptic number.

1500000045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1500000045 is a deficient number, since it is larger than the sum of its proper divisors (903747987).

1500000045 is a wasteful number, since it uses less digits than its factorization.

1500000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156172.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1500000045 is about 38729.8340430217. The cubic root of 1500000045 is about 1144.7142540005.

Adding to 1500000045 its reverse (5400000051), we get a palindrome (6900000096).

The spelling of 1500000045 in words is "one billion, five hundred million, forty-five", and thus it is an aban number.

Divisors: 1 3 5 15 643 1929 3215 9645 155521 466563 777605 2332815 100000003 300000009 500000015 1500000045