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1355144 = 23723457
BaseRepresentation
bin101001010110110001000
32112211220112
411022312020
5321331034
645013452
714342600
oct5126610
92484815
101355144
1184615a
12554288
13385a7b
14273c00
151bb7ce
hex14ad88

1355144 has 24 divisors (see below), whose sum is σ = 2956590. Its totient is φ = 580608.

The previous prime is 1355131. The next prime is 1355153. The reversal of 1355144 is 4415531.

It can be written as a sum of positive squares in only one way, i.e., 1350244 + 4900 = 1162^2 + 70^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1337 + ... + 2120.

21355144 is an apocalyptic number.

1355144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1355144 is an abundant number, since it is smaller than the sum of its proper divisors (1601446).

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

1355144 is a wasteful number, since it uses less digits than its factorization.

1355144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477 (or 3466 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1355144 is about 1164.1065243353. The cubic root of 1355144 is about 110.6611422864.

The spelling of 1355144 in words is "one million, three hundred fifty-five thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 3457 6914 13828 24199 27656 48398 96796 169393 193592 338786 677572 1355144