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13698228 = 2234092791
BaseRepresentation
bin110100010000…
…010010110100
3221202221102210
4310100102310
512001320403
61205333420
7224301345
oct64202264
927687383
1013698228
117806755
124707270
132ab7c7b
141b680cc
151308b03
hexd104b4

13698228 has 24 divisors (see below), whose sum is σ = 32052160. Its totient is φ = 4553280.

The previous prime is 13698211. The next prime is 13698233. The reversal of 13698228 is 82289631.

It is a happy number.

It is a super-3 number, since 3×136982283 (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 3513 + ... + 6303.

Almost surely, 213698228 is an apocalyptic number.

It is an amenable number.

13698228 is an abundant number, since it is smaller than the sum of its proper divisors (18353932).

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

13698228 is a wasteful number, since it uses less digits than its factorization.

13698228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 13698228 is about 3701.1117248740. Note that the first 3 decimals coincide. The cubic root of 13698228 is about 239.2699342128.

The spelling of 13698228 in words is "thirteen million, six hundred ninety-eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 409 818 1227 1636 2454 2791 4908 5582 8373 11164 16746 33492 1141519 2283038 3424557 4566076 6849114 13698228