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13901000 = 235313901
BaseRepresentation
bin110101000001…
…110011001000
3222011020120212
4311001303020
512024313000
61213540252
7226104461
oct65016310
928136525
1013901000
117935033
1247a4688
132b59359
141bbbd68
151348c35
hexd41cc8

13901000 has 32 divisors (see below), whose sum is σ = 32530680. Its totient is φ = 5560000.

The previous prime is 13900969. The next prime is 13901003. The reversal of 13901000 is 10931.

It can be written as a sum of positive squares in 4 ways, for example, as 6360484 + 7540516 = 2522^2 + 2746^2 .

It is not an unprimeable number, because it can be changed into a prime (13901003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5951 + ... + 7950.

Almost surely, 213901000 is an apocalyptic number.

13901000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13901000 is an abundant number, since it is smaller than the sum of its proper divisors (18629680).

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

13901000 is a wasteful number, since it uses less digits than its factorization.

13901000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922 (or 13908 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 13901000 is about 3728.4044844947. The cubic root of 13901000 is about 240.4447770650. Note that the first 3 decimals are identical.

Adding to 13901000 its reverse (10931), we get a palindrome (13911931).

The spelling of 13901000 in words is "thirteen million, nine hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 13901 27802 55604 69505 111208 139010 278020 347525 556040 695050 1390100 1737625 2780200 3475250 6950500 13901000