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22728796 = 2217334247
BaseRepresentation
bin101011010110…
…1000001011100
31120202202001021
41112231001130
521304310141
62131053524
7364122466
oct126550134
946682037
1022728796
1111914532
1277412a4
13492a4bc
143039136
151ede6d1
hex15ad05c

22728796 has 12 divisors (see below), whose sum is σ = 42115248. Its totient is φ = 10695872.

The previous prime is 22728793. The next prime is 22728799. The reversal of 22728796 is 69782722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22728793) and next prime (22728799).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22728793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167056 + ... + 167191.

It is an arithmetic number, because the mean of its divisors is an integer number (3509604).

Almost surely, 222728796 is an apocalyptic number.

It is an amenable number.

22728796 is a deficient number, since it is larger than the sum of its proper divisors (19386452).

22728796 is a wasteful number, since it uses less digits than its factorization.

22728796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334268 (or 334266 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 22728796 is about 4767.4727057425. The cubic root of 22728796 is about 283.2644956951.

The spelling of 22728796 in words is "twenty-two million, seven hundred twenty-eight thousand, seven hundred ninety-six".

Divisors: 1 2 4 17 34 68 334247 668494 1336988 5682199 11364398 22728796