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1025416542 = 231271345691
BaseRepresentation
bin111101000111101…
…001110101011110
32122110111120001110
4331013221311132
54100001312132
6245430122450
734260616413
oct7507516536
92573446043
101025416542
11486903697
122474b0426
13134598b67
149a28610a
15600521cc
hex3d1e9d5e

1025416542 has 16 divisors (see below), whose sum is σ = 2066982912. Its totient is φ = 339113880.

The previous prime is 1025416541. The next prime is 1025416547. The reversal of 1025416542 is 2456145201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025416541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672084 + ... + 673607.

It is an arithmetic number, because the mean of its divisors is an integer number (129186432).

Almost surely, 21025416542 is an apocalyptic number.

1025416542 is an abundant number, since it is smaller than the sum of its proper divisors (1041566370).

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

1025416542 is a wasteful number, since it uses less digits than its factorization.

1025416542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345823.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1025416542 is about 32022.1258195017. The cubic root of 1025416542 is about 1008.4013994866.

It can be divided in two parts, 10254 and 16542, that added together give a triangular number (26796 = T231).

The spelling of 1025416542 in words is "one billion, twenty-five million, four hundred sixteen thousand, five hundred forty-two".

Divisors: 1 2 3 6 127 254 381 762 1345691 2691382 4037073 8074146 170902757 341805514 512708271 1025416542