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106048457 = 271339089
BaseRepresentation
bin1100101001000…
…10101111001001
321101112211010122
412110202233021
5204122022312
614304553025
72425253114
oct624425711
9241484118
10106048457
1154952859
122b622775
1318c80888
141012757b
15949bb72
hex6522bc9

106048457 has 4 divisors (see below), whose sum is σ = 106090260. Its totient is φ = 106006656.

The previous prime is 106048433. The next prime is 106048463. The reversal of 106048457 is 754840601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754840601 = 1187635923.

It can be written as a sum of positive squares in 2 ways, for example, as 77862976 + 28185481 = 8824^2 + 5309^2 .

It is a cyclic number.

It is not a de Polignac number, because 106048457 - 224 = 89271241 is a prime.

It is a super-2 number, since 2×1060484572 = 22492550464161698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106048417) 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, 16832 + ... + 22257.

It is an arithmetic number, because the mean of its divisors is an integer number (26522565).

Almost surely, 2106048457 is an apocalyptic number.

It is an amenable number.

106048457 is a deficient number, since it is larger than the sum of its proper divisors (41803).

106048457 is an equidigital number, since it uses as much as digits as its factorization.

106048457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41802.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 106048457 is about 10297.9831520546. The cubic root of 106048457 is about 473.3344540849.

The spelling of 106048457 in words is "one hundred six million, forty-eight thousand, four hundred fifty-seven".

Divisors: 1 2713 39089 106048457