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1052414781 = 31131891357
BaseRepresentation
bin111110101110101…
…001001100111101
32201100022012200020
4332232221030331
54123404233111
6252232522353
735036243445
oct7656511475
92640265606
101052414781
114a0073890
122545503b9
1313a05c752
149dab3125
15625d6906
hex3eba933d

1052414781 has 8 divisors (see below), whose sum is σ = 1530785184. Its totient is φ = 637827120.

The previous prime is 1052414771. The next prime is 1052414819. The reversal of 1052414781 is 1874142501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1052414781 - 210 = 1052413757 is a prime.

It is a super-2 number, since 2×10524147812 = 2215153742534555922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 31891357 = 1052414781 / (1 + 0 + 5 + 2 + 4 + 1 + 4 + 7 + 8 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052414711) 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, 15945646 + ... + 15945711.

It is an arithmetic number, because the mean of its divisors is an integer number (191348148).

Almost surely, 21052414781 is an apocalyptic number.

1052414781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1052414781 is a deficient number, since it is larger than the sum of its proper divisors (478370403).

1052414781 is a wasteful number, since it uses less digits than its factorization.

1052414781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31891371.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 1052414781 is about 32440.9429733477. The cubic root of 1052414781 is about 1017.1749268131.

The spelling of 1052414781 in words is "one billion, fifty-two million, four hundred fourteen thousand, seven hundred eighty-one".

Divisors: 1 3 11 33 31891357 95674071 350804927 1052414781