Search a number
-
+
319261044 = 22326605087
BaseRepresentation
bin10011000001111…
…000100101110100
3211020202010211010
4103001320211310
51123212323134
651402512220
710624450134
oct2301704564
9736663733
10319261044
1115423a603
128ab05670
13511b2a7b
1430588ac4
151d065ce9
hex13078974

319261044 has 12 divisors (see below), whose sum is σ = 744942464. Its totient is φ = 106420344.

The previous prime is 319261043. The next prime is 319261051. The reversal of 319261044 is 440162913.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3192610442 = 203855228431939872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319261043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13302532 + ... + 13302555.

Almost surely, 2319261044 is an apocalyptic number.

It is an amenable number.

319261044 is an abundant number, since it is smaller than the sum of its proper divisors (425681420).

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

319261044 is a wasteful number, since it uses less digits than its factorization.

319261044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26605094 (or 26605092 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 319261044 is about 17867.8774340994. The cubic root of 319261044 is about 683.4634741357.

The spelling of 319261044 in words is "three hundred nineteen million, two hundred sixty-one thousand, forty-four".

Divisors: 1 2 3 4 6 12 26605087 53210174 79815261 106420348 159630522 319261044