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1055278541 = 4137696829
BaseRepresentation
bin111110111001100…
…100010111001101
32201112200201000102
4332321210113031
54130122403131
6252414140445
735102501552
oct7671442715
92645621012
101055278541
114a174a429
122554b1725
1313a823095
14a021aa29
15629a01cb
hex3ee645cd

1055278541 has 8 divisors (see below), whose sum is σ = 1081462200. Its totient is φ = 1029116160.

The previous prime is 1055278537. The next prime is 1055278559. The reversal of 1055278541 is 1458725501.

It can be written as a sum of positive squares in 4 ways, for example, as 98922916 + 956355625 = 9946^2 + 30925^2 .

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 1055278541 - 22 = 1055278537 is a prime.

It is a super-2 number, since 2×10552785412 = 2227225598190177362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1055278495 and 1055278504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055278141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151115 + ... + 157943.

It is an arithmetic number, because the mean of its divisors is an integer number (135182775).

Almost surely, 21055278541 is an apocalyptic number.

It is an amenable number.

1055278541 is a deficient number, since it is larger than the sum of its proper divisors (26183659).

1055278541 is an equidigital number, since it uses as much as digits as its factorization.

1055278541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 1055278541 is about 32485.0510389010. The cubic root of 1055278541 is about 1018.0967137798.

The spelling of 1055278541 in words is "one billion, fifty-five million, two hundred seventy-eight thousand, five hundred forty-one".

Divisors: 1 41 3769 6829 154529 279989 25738501 1055278541