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1055468457 = 32117274273
BaseRepresentation
bin111110111010010…
…010101110101001
32201120001100112100
4332322102232221
54130144442312
6252422204013
735104222341
oct7672225651
92646040470
101055468457
114a186a08a
12255583609
1313a88b664
14a0269d21
15629db5dc
hex3ee92ba9

1055468457 has 6 divisors (see below), whose sum is σ = 1524565562. Its totient is φ = 703645632.

The previous prime is 1055468431. The next prime is 1055468467. The reversal of 1055468457 is 7548645501.

1055468457 is a `hidden beast` number, since 10 + 554 + 6 + 84 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 685444761 + 370023696 = 26181^2 + 19236^2 .

It is not a de Polignac number, because 1055468457 - 28 = 1055468201 is a prime.

It is a super-2 number, since 2×10554684572 = 2228027327443921698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055468467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58637128 + ... + 58637145.

Almost surely, 21055468457 is an apocalyptic number.

It is an amenable number.

1055468457 is a deficient number, since it is larger than the sum of its proper divisors (469097105).

1055468457 is a wasteful number, since it uses less digits than its factorization.

1055468457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117274279 (or 117274276 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 1055468457 is about 32487.9740365570. The cubic root of 1055468457 is about 1018.1577849409.

It can be divided in two parts, 105546 and 8457, that added together give a triangular number (114003 = T477).

The spelling of 1055468457 in words is "one billion, fifty-five million, four hundred sixty-eight thousand, four hundred fifty-seven".

Divisors: 1 3 9 117274273 351822819 1055468457