Search a number
-
+
554200405 = 51179127549
BaseRepresentation
bin100001000010000…
…110110101010101
31102121211022000221
4201002012311111
52113333403110
6130554234341
716506424423
oct4102066525
91377738027
10554200405
11264916a70
121357259b1
138aa81345
1453864113
15339c27da
hex21086d55

554200405 has 16 divisors (see below), whose sum is σ = 734688000. Its totient is φ = 397949760.

The previous prime is 554200399. The next prime is 554200421. The reversal of 554200405 is 504002455.

It is not a de Polignac number, because 554200405 - 23 = 554200397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554200405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59430 + ... + 68119.

It is an arithmetic number, because the mean of its divisors is an integer number (45918000).

Almost surely, 2554200405 is an apocalyptic number.

554200405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

554200405 is a deficient number, since it is larger than the sum of its proper divisors (180487595).

554200405 is a wasteful number, since it uses less digits than its factorization.

554200405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127644.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 554200405 is about 23541.4614032349. The cubic root of 554200405 is about 821.4017294893.

The spelling of 554200405 in words is "five hundred fifty-four million, two hundred thousand, four hundred five".

Divisors: 1 5 11 55 79 395 869 4345 127549 637745 1403039 7015195 10076371 50381855 110840081 554200405