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13148340 = 2235317069
BaseRepresentation
bin110010001010…
…000010110100
3220202000010120
4302022002310
511331221330
61145451540
7216521232
oct62120264
926660116
1013148340
1174705a7
1244a0bb0
1329548aa
141a63952
15124ac10
hexc8a0b4

13148340 has 48 divisors (see below), whose sum is σ = 38008320. Its totient is φ = 3392640.

The previous prime is 13148329. The next prime is 13148351. The reversal of 13148340 is 4384131.

It is an interprime number because it is at equal distance from previous prime (13148329) and next prime (13148351).

It is a self number, because there is not a number n which added to its sum of digits gives 13148340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675 + ... + 5394.

It is an arithmetic number, because the mean of its divisors is an integer number (791840).

Almost surely, 213148340 is an apocalyptic number.

13148340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13148340 is an abundant number, since it is smaller than the sum of its proper divisors (24859980).

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

13148340 is a wasteful number, since it uses less digits than its factorization.

13148340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112 (or 7110 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 13148340 is about 3626.0639817852. The cubic root of 13148340 is about 236.0244396791.

The spelling of 13148340 in words is "thirteen million, one hundred forty-eight thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 7069 14138 21207 28276 35345 42414 70690 84828 106035 141380 212070 219139 424140 438278 657417 876556 1095695 1314834 2191390 2629668 3287085 4382780 6574170 13148340