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13738224 = 243433661
BaseRepresentation
bin110100011010…
…000011110000
3221211222022010
4310122003300
512004110344
61210242520
7224526063
oct64320360
927758263
1013738224
117833805
124726440
132b00236
141b788da
1513158b9
hexd1a0f0

13738224 has 40 divisors (see below), whose sum is σ = 35626192. Its totient is φ = 4561920.

The previous prime is 13738217. The next prime is 13738253. The reversal of 13738224 is 42283731.

It is a junction number, because it is equal to n+sod(n) for n = 13738191 and 13738200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20454 + ... + 21114.

Almost surely, 213738224 is an apocalyptic number.

It is an amenable number.

13738224 is an abundant number, since it is smaller than the sum of its proper divisors (21887968).

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

13738224 is a wasteful number, since it uses less digits than its factorization.

13738224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1099 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 13738224 is about 3706.5110279075. The cubic root of 13738224 is about 239.5025808826.

The spelling of 13738224 in words is "thirteen million, seven hundred thirty-eight thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 433 661 866 1299 1322 1732 1983 2598 2644 3464 3966 5196 5288 6928 7932 10392 10576 15864 20784 31728 286213 572426 858639 1144852 1717278 2289704 3434556 4579408 6869112 13738224