Search a number
-
+
553421351 = 7281281353
BaseRepresentation
bin100000111111001…
…000101000100111
31102120100201101002
4200333020220213
52113133440401
6130525423515
716500001220
oct4077105047
91376321332
10553421351
1126443471a
1213540ab9b
138a86a872
1453700247
15338bba6b
hex20fc8a27

553421351 has 8 divisors (see below), whose sum is σ = 634734624. Its totient is φ = 472671360.

The previous prime is 553421327. The next prime is 553421359. The reversal of 553421351 is 153124355.

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

It is not a de Polignac number, because 553421351 - 210 = 553420327 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 (553421359) 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, 138710 + ... + 142643.

It is an arithmetic number, because the mean of its divisors is an integer number (79341828).

Almost surely, 2553421351 is an apocalyptic number.

553421351 is a deficient number, since it is larger than the sum of its proper divisors (81313273).

553421351 is a wasteful number, since it uses less digits than its factorization.

553421351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281641.

The product of its digits is 9000, while the sum is 29.

The square root of 553421351 is about 23524.9091602922. The cubic root of 553421351 is about 821.0166603695.

The spelling of 553421351 in words is "five hundred fifty-three million, four hundred twenty-one thousand, three hundred fifty-one".

Divisors: 1 7 281 1967 281353 1969471 79060193 553421351