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101893685 = 520378737
BaseRepresentation
bin1100001001011…
…00011000110101
321002201201212012
412010230120311
5202041044220
614035534005
72345040065
oct604543065
9232651765
10101893685
1152575263
122a15a305
131815772a
14d7653a5
158e2aac5
hex612c635

101893685 has 4 divisors (see below), whose sum is σ = 122272428. Its totient is φ = 81514944.

The previous prime is 101893679. The next prime is 101893709. The reversal of 101893685 is 586398101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586398101 = 1009158111.

It can be written as a sum of positive squares in 2 ways, for example, as 22648081 + 79245604 = 4759^2 + 8902^2 .

It is a cyclic number.

It is not a de Polignac number, because 101893685 - 24 = 101893669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10189364 + ... + 10189373.

It is an arithmetic number, because the mean of its divisors is an integer number (30568107).

Almost surely, 2101893685 is an apocalyptic number.

It is an amenable number.

101893685 is a deficient number, since it is larger than the sum of its proper divisors (20378743).

101893685 is an equidigital number, since it uses as much as digits as its factorization.

101893685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378742.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 101893685 is about 10094.2401893357. The cubic root of 101893685 is about 467.0704835176.

The spelling of 101893685 in words is "one hundred one million, eight hundred ninety-three thousand, six hundred eighty-five".

Divisors: 1 5 20378737 101893685