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146642001 = 31110143997
BaseRepresentation
bin10001011110110…
…01010001010001
3101012221012000020
420233121101101
5300020021001
622315014053
73430302462
oct1057312121
9335835006
10146642001
1175859340
124113a329
13244c461c
1415692d69
15cd19736
hex8bd9451

146642001 has 16 divisors (see below), whose sum is σ = 215414208. Its totient is φ = 87992000.

The previous prime is 146641967. The next prime is 146642033. The reversal of 146642001 is 100246641.

It is a cyclic number.

It is not a de Polignac number, because 146642001 - 214 = 146625617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146642101) 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 15 ways as a sum of consecutive naturals, for example, 18666 + ... + 25331.

It is an arithmetic number, because the mean of its divisors is an integer number (13463388).

Almost surely, 2146642001 is an apocalyptic number.

146642001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146642001 is a deficient number, since it is larger than the sum of its proper divisors (68772207).

146642001 is a wasteful number, since it uses less digits than its factorization.

146642001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44112.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 146642001 is about 12109.5830233745. The cubic root of 146642001 is about 527.3344280938.

Adding to 146642001 its reverse (100246641), we get a palindrome (246888642).

The spelling of 146642001 in words is "one hundred forty-six million, six hundred forty-two thousand, one".

Divisors: 1 3 11 33 101 303 1111 3333 43997 131991 483967 1451901 4443697 13331091 48880667 146642001