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13897350 = 2325289347
BaseRepresentation
bin110101000000…
…111010000110
3222011001120200
4311000322012
512024203400
61213511330
7226061025
oct65007206
928131520
1013897350
117932315
1247a2546
132b577ac
141bba8bc
151347b00
hexd40e86

13897350 has 72 divisors (see below), whose sum is σ = 37865880. Its totient is φ = 3653760.

The previous prime is 13897349. The next prime is 13897357. The reversal of 13897350 is 5379831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13897357) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39877 + ... + 40223.

It is an arithmetic number, because the mean of its divisors is an integer number (525915).

Almost surely, 213897350 is an apocalyptic number.

13897350 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 13897350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18932940).

13897350 is an abundant number, since it is smaller than the sum of its proper divisors (23968530).

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

13897350 is a wasteful number, since it uses less digits than its factorization.

13897350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13897350 is about 3727.9149668414. The cubic root of 13897350 is about 240.4237306113.

The spelling of 13897350 in words is "thirteen million, eight hundred ninety-seven thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 89 90 150 178 225 267 347 445 450 534 694 801 890 1041 1335 1602 1735 2082 2225 2670 3123 3470 4005 4450 5205 6246 6675 8010 8675 10410 13350 15615 17350 20025 26025 30883 31230 40050 52050 61766 78075 92649 154415 156150 185298 277947 308830 463245 555894 772075 926490 1389735 1544150 2316225 2779470 4632450 6948675 13897350