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146201401 = 532758517
BaseRepresentation
bin10001011011011…
…01101100111001
3101012002210121201
420231231230321
5244411421101
622301334201
73423456103
oct1055555471
9335083551
10146201401
1175588305
1240b67361
132439bc08
14155ba573
15cc7de01
hex8b6db39

146201401 has 4 divisors (see below), whose sum is σ = 148959972. Its totient is φ = 143442832.

The previous prime is 146201399. The next prime is 146201417. The reversal of 146201401 is 104102641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127148176 + 19053225 = 11276^2 + 4365^2 .

It is a cyclic number.

It is not a de Polignac number, because 146201401 - 21 = 146201399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146201491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379206 + ... + 1379311.

It is an arithmetic number, because the mean of its divisors is an integer number (37239993).

Almost surely, 2146201401 is an apocalyptic number.

It is an amenable number.

146201401 is a deficient number, since it is larger than the sum of its proper divisors (2758571).

146201401 is an equidigital number, since it uses as much as digits as its factorization.

146201401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758570.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 146201401 is about 12091.3771341398. The cubic root of 146201401 is about 526.8057559167.

The spelling of 146201401 in words is "one hundred forty-six million, two hundred one thousand, four hundred one".

Divisors: 1 53 2758517 146201401