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146920541 = 831770127
BaseRepresentation
bin10001100000111…
…01010001011101
3101020110100002112
420300131101131
5300102424131
622325003405
73432542525
oct1060352135
9336410075
10146920541
1175a29639
1241253565
1324591341
1415726685
15cd7202b
hex8c1d45d

146920541 has 4 divisors (see below), whose sum is σ = 148690752. Its totient is φ = 145150332.

The previous prime is 146920531. The next prime is 146920547. The reversal of 146920541 is 145029641.

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-146920541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146920498 and 146920507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146920547) 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, 884981 + ... + 885146.

It is an arithmetic number, because the mean of its divisors is an integer number (37172688).

Almost surely, 2146920541 is an apocalyptic number.

It is an amenable number.

146920541 is a deficient number, since it is larger than the sum of its proper divisors (1770211).

146920541 is an equidigital number, since it uses as much as digits as its factorization.

146920541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770210.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 146920541 is about 12121.0783761182. The cubic root of 146920541 is about 527.6680997315.

The spelling of 146920541 in words is "one hundred forty-six million, nine hundred twenty thousand, five hundred forty-one".

Divisors: 1 83 1770127 146920541