Search a number
-
+
138583300 = 22521385833
BaseRepresentation
bin10000100001010…
…01110100000100
3100122202202112211
420100221310010
5240434131200
621430153204
73301636642
oct1020516404
9318682484
10138583300
1171254759
123a4b2804
132293256b
1414596192
15c276aba
hex8429d04

138583300 has 18 divisors (see below), whose sum is σ = 300725978. Its totient is φ = 55433280.

The previous prime is 138583279. The next prime is 138583327. The reversal of 138583300 is 3385831.

It can be written as a sum of positive squares in 3 ways, for example, as 34012224 + 104571076 = 5832^2 + 10226^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692817 + ... + 693016.

Almost surely, 2138583300 is an apocalyptic number.

138583300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138583300 is an abundant number, since it is smaller than the sum of its proper divisors (162142678).

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

138583300 is a wasteful number, since it uses less digits than its factorization.

138583300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385847 (or 1385840 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 138583300 is about 11772.1408418350. The cubic root of 138583300 is about 517.4919911322.

The spelling of 138583300 in words is "one hundred thirty-eight million, five hundred eighty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1385833 2771666 5543332 6929165 13858330 27716660 34645825 69291650 138583300