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409742230 = 25110936947
BaseRepresentation
bin11000011011000…
…010101110010110
31001120000001200011
4120123002232112
51314343222410
6104354110434
713103515522
oct3033025626
91046001604
10409742230
111a031a447
12b527b41a
1366b72a31
143c5bcd82
1525e8a18a
hex186c2b96

409742230 has 16 divisors (see below), whose sum is σ = 738221040. Its totient is φ = 163744672.

The previous prime is 409742213. The next prime is 409742231. The reversal of 409742230 is 32247904.

It is a junction number, because it is equal to n+sod(n) for n = 409742192 and 409742201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409742231) 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, 7384 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (46138815).

Almost surely, 2409742230 is an apocalyptic number.

409742230 is a deficient number, since it is larger than the sum of its proper divisors (328478810).

409742230 is a wasteful number, since it uses less digits than its factorization.

409742230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38063.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 409742230 is about 20242.0905540905. The cubic root of 409742230 is about 742.7401634798.

The spelling of 409742230 in words is "four hundred nine million, seven hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 1109 2218 5545 11090 36947 73894 184735 369470 40974223 81948446 204871115 409742230