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131104204 = 2274111773
BaseRepresentation
bin1111101000001…
…11110111001100
3100010200210011021
413310013313030
5232030313304
621002003524
73151240000
oct764076714
9303623137
10131104204
1168006590
1237aa65a4
132121426a
14135aa700
15b79aa54
hex7d07dcc

131104204 has 120 divisors (see below), whose sum is σ = 313398288. Its totient is φ = 47416320.

The previous prime is 131104201. The next prime is 131104223. The reversal of 131104204 is 402401131.

It is not an unprimeable number, because it can be changed into a prime (131104201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1795912 + ... + 1795984.

Almost surely, 2131104204 is an apocalyptic number.

131104204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131104204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156699144).

131104204 is an abundant number, since it is smaller than the sum of its proper divisors (182294084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131104204 is a wasteful number, since it uses less digits than its factorization.

131104204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 131104204 is about 11450.0744102386. The cubic root of 131104204 is about 508.0099353256.

Adding to 131104204 its reverse (402401131), we get a palindrome (533505335).

The spelling of 131104204 in words is "one hundred thirty-one million, one hundred four thousand, two hundred four".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 49 68 73 77 98 119 146 154 187 196 238 292 308 343 374 476 511 539 686 748 803 833 1022 1078 1241 1309 1372 1606 1666 2044 2156 2401 2482 2618 3212 3332 3577 3773 4802 4964 5236 5621 5831 7154 7546 8687 9163 9604 11242 11662 13651 14308 15092 17374 18326 22484 23324 25039 26411 27302 34748 36652 39347 40817 50078 52822 54604 60809 64141 78694 81634 95557 100156 105644 121618 128282 157388 163268 175273 191114 243236 256564 275429 350546 382228 425663 448987 550858 668899 701092 851326 897974 1101716 1337798 1702652 1795948 1928003 2675596 2979641 3856006 4682293 5959282 7712012 9364586 11918564 18729172 32776051 65552102 131104204