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1001214140 = 22550060707
BaseRepresentation
bin111011101011010…
…101000010111100
32120202221221121012
4323223111002330
54022302323030
6243203254352
733545115443
oct7353250274
92522857535
101001214140
11474183003
1223b37a3b8
1312c573a04
1496d85d5a
155cd71095
hex3bad50bc

1001214140 has 12 divisors (see below), whose sum is σ = 2102549736. Its totient is φ = 400485648.

The previous prime is 1001214121. The next prime is 1001214157. The reversal of 1001214140 is 414121001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25030334 + ... + 25030373.

It is an arithmetic number, because the mean of its divisors is an integer number (175212478).

Almost surely, 21001214140 is an apocalyptic number.

1001214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001214140 is an abundant number, since it is smaller than the sum of its proper divisors (1101335596).

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

1001214140 is a wasteful number, since it uses less digits than its factorization.

1001214140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50060716 (or 50060714 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1001214140 is about 31641.9680171762. The cubic root of 1001214140 is about 1000.4045496508.

Subtracting from 1001214140 its sum of digits (14), we obtain a triangular number (1001214126 = T44748).

Adding to 1001214140 its reverse (414121001), we get a palindrome (1415335141).

The spelling of 1001214140 in words is "one billion, one million, two hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 50060707 100121414 200242828 250303535 500607070 1001214140