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13922340 = 2235474937
BaseRepresentation
bin110101000111…
…000000100100
3222012022212020
4311013000210
512031003330
61214223140
7226223625
oct65070044
928168766
1013922340
11794a073
1247b4ab0
132b65c93
141bc5a4c
151350210
hexd47024

13922340 has 48 divisors (see below), whose sum is σ = 39820032. Its totient is φ = 3632896.

The previous prime is 13922327. The next prime is 13922347. The reversal of 13922340 is 4322931.

It is a self number, because there is not a number n which added to its sum of digits gives 13922340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (829584).

Almost surely, 213922340 is an apocalyptic number.

13922340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13922340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19910016).

13922340 is an abundant number, since it is smaller than the sum of its proper divisors (25897692).

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

13922340 is a wasteful number, since it uses less digits than its factorization.

13922340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13922340 is about 3731.2652009741. The cubic root of 13922340 is about 240.5677530650.

The spelling of 13922340 in words is "thirteen million, nine hundred twenty-two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 4937 9874 14811 19748 24685 29622 49370 59244 74055 98740 148110 232039 296220 464078 696117 928156 1160195 1392234 2320390 2784468 3480585 4640780 6961170 13922340