Search a number
-
+
244291392 = 2632424117
BaseRepresentation
bin11101000111110…
…01011101000000
3122000200021210100
432203321131000
51000014311032
640124002400
76024304542
oct1643713500
9560607710
10244291392
11115994814
1269990400
133b7c4227
1424631692
15166a797c
hexe8f9740

244291392 has 42 divisors (see below), whose sum is σ = 700218818. Its totient is φ = 81430272.

The previous prime is 244291391. The next prime is 244291409. The reversal of 244291392 is 293192442.

244291392 is a `hidden beast` number, since 244 + 29 + 1 + 392 = 666.

244291392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 242611776 + 1679616 = 15576^2 + 1296^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244291391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211483 + ... + 212634.

Almost surely, 2244291392 is an apocalyptic number.

It is an amenable number.

244291392 is an abundant number, since it is smaller than the sum of its proper divisors (455927426).

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

244291392 is a wasteful number, since it uses less digits than its factorization.

244291392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424135 (or 424122 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 244291392 is about 15629.8237993907. The cubic root of 244291392 is about 625.1286280326.

The spelling of 244291392 in words is "two hundred forty-four million, two hundred ninety-one thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 424117 848234 1272351 1696468 2544702 3392936 3817053 5089404 6785872 7634106 10178808 13571744 15268212 20357616 27143488 30536424 40715232 61072848 81430464 122145696 244291392