Search a number
-
+
545423703 = 31131563947
BaseRepresentation
bin100000100000101…
…000000101010111
31102000022101122220
4200200220011113
52104112024303
6130042153423
716342011366
oct4040500527
91360271586
10545423703
1125a9719a0
121327b2873
1388cca526
145261b7dd
1532d3c053
hex20828157

545423703 has 32 divisors (see below), whose sum is σ = 821256192. Its totient is φ = 318991200.

The previous prime is 545423657. The next prime is 545423707. The reversal of 545423703 is 307324545.

It is not a de Polignac number, because 545423703 - 28 = 545423447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545423707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575476 + ... + 576422.

It is an arithmetic number, because the mean of its divisors is an integer number (25664256).

Almost surely, 2545423703 is an apocalyptic number.

545423703 is a deficient number, since it is larger than the sum of its proper divisors (275832489).

545423703 is a wasteful number, since it uses less digits than its factorization.

545423703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 50400, while the sum is 33.

The square root of 545423703 is about 23354.3080180082. The cubic root of 545423703 is about 817.0425403087.

The spelling of 545423703 in words is "five hundred forty-five million, four hundred twenty-three thousand, seven hundred three".

Divisors: 1 3 11 31 33 93 341 563 947 1023 1689 2841 6193 10417 17453 18579 29357 31251 52359 88071 191983 322927 533161 575949 968781 1599483 5864771 16527991 17594313 49583973 181807901 545423703