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1500000042 = 231317572521
BaseRepresentation
bin101100101101000…
…0010111100101010
310212112111220020010
41121122002330222
511033000000132
6404502112350
752112534652
oct13132027452
93775456203
101500000042
116aa790262
1235a41b6b6
131ab9c22b8
14103303362
158ba496cc
hex59682f2a

1500000042 has 32 divisors (see below), whose sum is σ = 3028094784. Its totient is φ = 495331200.

The previous prime is 1500000041. The next prime is 1500000043. The reversal of 1500000042 is 2400000051.

It is an interprime number because it is at equal distance from previous prime (1500000041) and next prime (1500000043).

It is a junction number, because it is equal to n+sod(n) for n = 1499999973 and 1500000027.

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, 593742 + ... + 596262.

It is an arithmetic number, because the mean of its divisors is an integer number (94627962).

Almost surely, 21500000042 is an apocalyptic number.

1500000042 is an abundant number, since it is smaller than the sum of its proper divisors (1528094742).

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

1500000042 is a wasteful number, since it uses less digits than its factorization.

1500000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1500000042 is about 38729.8340042918. The cubic root of 1500000042 is about 1144.7142532373.

Adding to 1500000042 its reverse (2400000051), we get a palindrome (3900000093).

Subtracting 1500000042 from its reverse (2400000051), we obtain a palindrome (900000009).

The spelling of 1500000042 in words is "one billion, five hundred million, forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 131 262 393 757 786 1514 2271 2521 4542 5042 7563 15126 99167 198334 297501 330251 595002 660502 990753 1908397 1981506 3816794 5725191 11450382 250000007 500000014 750000021 1500000042