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103477457 = 243742461
BaseRepresentation
bin1100010101011…
…11000011010001
321012201012101102
412022233003101
5202442234312
614133514145
72364354356
oct612570321
9235635342
10103477457
1153457166
122a7a2955
1318590585
14da5862d
15913eec2
hex62af0d1

103477457 has 4 divisors (see below), whose sum is σ = 103522356. Its totient is φ = 103432560.

The previous prime is 103477421. The next prime is 103477471. The reversal of 103477457 is 754774301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754774301 = 2832667047.

It can be written as a sum of positive squares in 2 ways, for example, as 101284096 + 2193361 = 10064^2 + 1481^2 .

It is a cyclic number.

It is not a de Polignac number, because 103477457 - 216 = 103411921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103477457.

It is not an unprimeable number, because it can be changed into a prime (103477417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18794 + ... + 23667.

It is an arithmetic number, because the mean of its divisors is an integer number (25880589).

Almost surely, 2103477457 is an apocalyptic number.

It is an amenable number.

103477457 is a deficient number, since it is larger than the sum of its proper divisors (44899).

103477457 is an equidigital number, since it uses as much as digits as its factorization.

103477457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44898.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 103477457 is about 10172.3869863469. The cubic root of 103477457 is about 469.4780035386.

The spelling of 103477457 in words is "one hundred three million, four hundred seventy-seven thousand, four hundred fifty-seven".

Divisors: 1 2437 42461 103477457