Search a number
-
+
72842092 = 22163111721
BaseRepresentation
bin1000101011101…
…11101101101100
312002001202120021
410111313231230
5122121421332
611121131524
71543101421
oct425675554
9162052507
1072842092
1138132384
1220489ba4
131212533b
149961d48
1565dcc97
hex4577b6c

72842092 has 12 divisors (see below), whose sum is σ = 128256856. Its totient is φ = 36197280.

The previous prime is 72842083. The next prime is 72842111. The reversal of 72842092 is 29024827.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55209 + ... + 56512.

Almost surely, 272842092 is an apocalyptic number.

It is an amenable number.

72842092 is a deficient number, since it is larger than the sum of its proper divisors (55414764).

72842092 is a wasteful number, since it uses less digits than its factorization.

72842092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111888 (or 111886 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 72842092 is about 8534.7578758861. The cubic root of 72842092 is about 417.6323545612.

The spelling of 72842092 in words is "seventy-two million, eight hundred forty-two thousand, ninety-two".

Divisors: 1 2 4 163 326 652 111721 223442 446884 18210523 36421046 72842092