Search a number
-
+
1396720110 = 235347134171
BaseRepresentation
bin101001101000000…
…0100000111101110
310121100011201210110
41103100010013232
510330030020420
6350332320450
746416632202
oct12320040756
93540151713
101396720110
11657459545
1232b913126
131934a0906
14d36dab02
1582947ee0
hex534041ee

1396720110 has 32 divisors (see below), whose sum is σ = 3361813632. Its totient is φ = 371382560.

The previous prime is 1396720093. The next prime is 1396720121. The reversal of 1396720110 is 110276931.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56676 + ... + 77495.

It is an arithmetic number, because the mean of its divisors is an integer number (105056676).

Almost surely, 21396720110 is an apocalyptic number.

1396720110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396720110 is an abundant number, since it is smaller than the sum of its proper divisors (1965093522).

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

1396720110 is a wasteful number, since it uses less digits than its factorization.

1396720110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134528.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1396720110 is about 37372.7187932588. The cubic root of 1396720110 is about 1117.8146454705.

The spelling of 1396720110 in words is "one billion, three hundred ninety-six million, seven hundred twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 347 694 1041 1735 2082 3470 5205 10410 134171 268342 402513 670855 805026 1341710 2012565 4025130 46557337 93114674 139672011 232786685 279344022 465573370 698360055 1396720110