Search a number
-
+
552474138 = 23389236707
BaseRepresentation
bin100000111011100…
…001011000011010
31102111120121001010
4200323201120122
52112413133023
6130453234350
716455644526
oct4073413032
91374517033
10552474138
11263947aa7
121350329b6
138a5c8698
1453534d86
1533781093
hex20ee161a

552474138 has 16 divisors (see below), whose sum is σ = 1107793440. Its totient is φ = 183683856.

The previous prime is 552474137. The next prime is 552474149. The reversal of 552474138 is 831474255.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 552474096 and 552474105.

It is not an unprimeable number, because it can be changed into a prime (552474137) 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 7 ways as a sum of consecutive naturals, for example, 116020 + ... + 120687.

It is an arithmetic number, because the mean of its divisors is an integer number (69237090).

Almost surely, 2552474138 is an apocalyptic number.

552474138 is an abundant number, since it is smaller than the sum of its proper divisors (555319302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552474138 is a wasteful number, since it uses less digits than its factorization.

552474138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237101.

The product of its digits is 134400, while the sum is 39.

The square root of 552474138 is about 23504.7684098355. The cubic root of 552474138 is about 820.5479868744.

The spelling of 552474138 in words is "five hundred fifty-two million, four hundred seventy-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 389 778 1167 2334 236707 473414 710121 1420242 92079023 184158046 276237069 552474138