Search a number
-
+
1371490 = 25236789
BaseRepresentation
bin101001110110101100010
32120200022221
411032311202
5322341430
645221254
714441341
oct5166542
92520287
101371490
1185746a
1256182a
13390343
14279b58
151c157a
hex14ed62

1371490 has 32 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 511104.

The previous prime is 1371449. The next prime is 1371493. The reversal of 1371490 is 941731.

It is not an unprimeable number, because it can be changed into a prime (1371493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15366 + ... + 15454.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

21371490 is an apocalyptic number.

1371490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1371490 is a deficient number, since it is larger than the sum of its proper divisors (1272350).

1371490 is a wasteful number, since it uses less digits than its factorization.

1371490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1371490 is about 1171.1063145590. The cubic root of 1371490 is about 111.1043036570.

The spelling of 1371490 in words is "one million, three hundred seventy-one thousand, four hundred ninety".

Divisors: 1 2 5 10 23 46 67 89 115 134 178 230 335 445 670 890 1541 2047 3082 4094 5963 7705 10235 11926 15410 20470 29815 59630 137149 274298 685745 1371490