Search a number
-
+
120545461 = 235241107
BaseRepresentation
bin1110010111101…
…10000010110101
322101211100021201
413023312002311
5221324423321
615543412501
72662422331
oct713660265
9271740251
10120545461
1162054653
1234454131
131bc8829a
141201c7c1
15a8b2291
hex72f60b5

120545461 has 4 divisors (see below), whose sum is σ = 125786592. Its totient is φ = 115304332.

The previous prime is 120545441. The next prime is 120545471. The reversal of 120545461 is 164545021.

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 not a de Polignac number, because 120545461 - 25 = 120545429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120545441) 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, 2620531 + ... + 2620576.

It is an arithmetic number, because the mean of its divisors is an integer number (31446648).

Almost surely, 2120545461 is an apocalyptic number.

It is an amenable number.

120545461 is a deficient number, since it is larger than the sum of its proper divisors (5241131).

120545461 is an equidigital number, since it uses as much as digits as its factorization.

120545461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241130.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 120545461 is about 10979.3196965932. The cubic root of 120545461 is about 493.9886311971.

The spelling of 120545461 in words is "one hundred twenty million, five hundred forty-five thousand, four hundred sixty-one".

Divisors: 1 23 5241107 120545461