Search a number
-
+
404572030 = 251092391553
BaseRepresentation
bin11000000111010…
…100011101111110
31001012021101111021
4120013110131332
51312032301110
6104051214354
713011543202
oct3007243576
91035241437
10404572030
11198408a55
12b35a73ba
1365a82645
143ba34b02
15257b82da
hex181d477e

404572030 has 32 divisors (see below), whose sum is σ = 738460800. Its totient is φ = 159570432.

The previous prime is 404572019. The next prime is 404572039. The reversal of 404572030 is 30275404.

It is a junction number, because it is equal to n+sod(n) for n = 404571986 and 404572004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404572039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259734 + ... + 261286.

It is an arithmetic number, because the mean of its divisors is an integer number (23076900).

Almost surely, 2404572030 is an apocalyptic number.

404572030 is a deficient number, since it is larger than the sum of its proper divisors (333888770).

404572030 is a wasteful number, since it uses less digits than its factorization.

404572030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 404572030 is about 20113.9759868605. The cubic root of 404572030 is about 739.6029218608.

The spelling of 404572030 in words is "four hundred four million, five hundred seventy-two thousand, thirty".

Divisors: 1 2 5 10 109 218 239 478 545 1090 1195 1553 2390 3106 7765 15530 26051 52102 130255 169277 260510 338554 371167 742334 846385 1692770 1855835 3711670 40457203 80914406 202286015 404572030