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146770121 = 167878863
BaseRepresentation
bin10001011111110…
…00100011001001
3101020011200202102
420233320203021
5300033120441
622321443145
73431345141
oct1057704311
9336150672
10146770121
1175936623
12411a04b5
132453aa34
14156c7921
15cd4269b
hex8bf88c9

146770121 has 4 divisors (see below), whose sum is σ = 147649152. Its totient is φ = 145891092.

The previous prime is 146770103. The next prime is 146770147. The reversal of 146770121 is 121077641.

146770121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-146770121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146710121) 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, 439265 + ... + 439598.

It is an arithmetic number, because the mean of its divisors is an integer number (36912288).

Almost surely, 2146770121 is an apocalyptic number.

It is an amenable number.

146770121 is a deficient number, since it is larger than the sum of its proper divisors (879031).

146770121 is an equidigital number, since it uses as much as digits as its factorization.

146770121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879030.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 146770121 is about 12114.8718936685. The cubic root of 146770121 is about 527.4879594146.

The spelling of 146770121 in words is "one hundred forty-six million, seven hundred seventy thousand, one hundred twenty-one".

Divisors: 1 167 878863 146770121