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404156242 = 27149313619
BaseRepresentation
bin11000000101101…
…110111101010010
31001011111021010201
4120011232331102
51311430444432
6104034245414
713005162040
oct3005567522
91034437121
10404156242
11198154626
12b342686a
1365968309
143b967390
1525734ee7
hex1816ef52

404156242 has 32 divisors (see below), whose sum is σ = 700848000. Its totient is φ = 171220608.

The previous prime is 404156237. The next prime is 404156257. The reversal of 404156242 is 242651404.

It is a self number, because there is not a number n which added to its sum of digits gives 404156242.

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, 652609 + ... + 653227.

It is an arithmetic number, because the mean of its divisors is an integer number (21901500).

Almost surely, 2404156242 is an apocalyptic number.

404156242 is a deficient number, since it is larger than the sum of its proper divisors (296691758).

404156242 is a wasteful number, since it uses less digits than its factorization.

404156242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 404156242 is about 20103.6375315513. The cubic root of 404156242 is about 739.3494660236.

The spelling of 404156242 in words is "four hundred four million, one hundred fifty-six thousand, two hundred forty-two".

Divisors: 1 2 7 14 149 298 313 619 626 1043 1238 2086 2191 4333 4382 8666 46637 92231 93274 184462 193747 326459 387494 645617 652918 1291234 1356229 2712458 28868303 57736606 202078121 404156242