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1055401723 = 7131814673
BaseRepresentation
bin111110111010000…
…010011011111011
32201112220221222201
4332322002123323
54130140323343
6252420531031
735103523645
oct7672023373
92645827881
101055401723
114a1823a32
12255550a77
1313a86717c
14a024d895
15629c694d
hex3ee826fb

1055401723 has 8 divisors (see below), whose sum is σ = 1070832096. Its totient is φ = 1039987200.

The previous prime is 1055401709. The next prime is 1055401733. The reversal of 1055401723 is 3271045501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1055401723 - 213 = 1055393531 is a prime.

It is a super-2 number, since 2×10554017232 = 2227745593822737458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055401691 and 1055401700.

It is not an unprimeable number, because it can be changed into a prime (1055401733) 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, 223515 + ... + 228187.

It is an arithmetic number, because the mean of its divisors is an integer number (133854012).

Almost surely, 21055401723 is an apocalyptic number.

1055401723 is a deficient number, since it is larger than the sum of its proper divisors (15430373).

1055401723 is an equidigital number, since it uses as much as digits as its factorization.

1055401723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1055401723 is about 32486.9469633575. The cubic root of 1055401723 is about 1018.1363261681.

The spelling of 1055401723 in words is "one billion, fifty-five million, four hundred one thousand, seven hundred twenty-three".

Divisors: 1 71 3181 4673 225851 331783 14864813 1055401723