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228396650 = 25241432591
BaseRepresentation
bin11011001110100…
…00111001101010
3120220202202022012
431213100321222
5431432143100
634355155522
75442224306
oct1547207152
9526682265
10228396650
11107a18869
12645a5ba2
133841a561
1422494d06
15150b8135
hexd9d0e6a

228396650 has 48 divisors (see below), whose sum is σ = 445471488. Its totient is φ = 87024000.

The previous prime is 228396631. The next prime is 228396659. The reversal of 228396650 is 56693822.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 228396598 and 228396607.

It is not an unprimeable number, because it can be changed into a prime (228396659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86855 + ... + 89445.

It is an arithmetic number, because the mean of its divisors is an integer number (9280656).

Almost surely, 2228396650 is an apocalyptic number.

228396650 is a deficient number, since it is larger than the sum of its proper divisors (217074838).

228396650 is a wasteful number, since it uses less digits than its factorization.

228396650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 228396650 is about 15112.7975570375. The cubic root of 228396650 is about 611.2655353242.

The spelling of 228396650 in words is "two hundred twenty-eight million, three hundred ninety-six thousand, six hundred fifty".

Divisors: 1 2 5 10 25 41 43 50 82 86 205 215 410 430 1025 1075 1763 2050 2150 2591 3526 5182 8815 12955 17630 25910 44075 64775 88150 106231 111413 129550 212462 222826 531155 557065 1062310 1114130 2655775 2785325 4567933 5311550 5570650 9135866 22839665 45679330 114198325 228396650