Search a number
-
+
542393429 = 23139169657
BaseRepresentation
bin100000010101000…
…100010001010101
31101210121102220112
4200111010101111
52102323042204
6125453212405
716304160644
oct4025042125
91353542815
10542393429
11259192236
12131791105
13884a9176
145206d35b
153293e26e
hex20544455

542393429 has 8 divisors (see below), whose sum is σ = 570050880. Its totient is φ = 515075616.

The previous prime is 542393407. The next prime is 542393441. The reversal of 542393429 is 924393245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-542393429 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 (542393459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81632 + ... + 88025.

It is an arithmetic number, because the mean of its divisors is an integer number (71256360).

Almost surely, 2542393429 is an apocalyptic number.

It is an amenable number.

542393429 is a deficient number, since it is larger than the sum of its proper divisors (27657451).

542393429 is a wasteful number, since it uses less digits than its factorization.

542393429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169819.

The product of its digits is 233280, while the sum is 41.

The square root of 542393429 is about 23289.3415321258. The cubic root of 542393429 is about 815.5266166305.

The spelling of 542393429 in words is "five hundred forty-two million, three hundred ninety-three thousand, four hundred twenty-nine".

Divisors: 1 23 139 3197 169657 3902111 23582323 542393429