Search a number
-
+
13402710 = 23251371087
BaseRepresentation
bin110011001000…
…001001010110
3221012221001200
4303020021112
511412341320
61155133330
7221630646
oct63101126
927187050
1013402710
117624722
1245a4246
132a135c9
141acc526
15129b290
hexcc8256

13402710 has 48 divisors (see below), whose sum is σ = 35133696. Its totient is φ = 3544704.

The previous prime is 13402709. The next prime is 13402717. The reversal of 13402710 is 1720431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11787 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (731952).

Almost surely, 213402710 is an apocalyptic number.

13402710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13402710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17566848).

13402710 is an abundant number, since it is smaller than the sum of its proper divisors (21730986).

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

13402710 is a wasteful number, since it uses less digits than its factorization.

13402710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13402710 is about 3660.9711826235. The cubic root of 13402710 is about 237.5367846994.

The spelling of 13402710 in words is "thirteen million, four hundred two thousand, seven hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 137 274 411 685 822 1087 1233 1370 2055 2174 2466 3261 4110 5435 6165 6522 9783 10870 12330 16305 19566 32610 48915 97830 148919 297838 446757 744595 893514 1340271 1489190 2233785 2680542 4467570 6701355 13402710