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228122370 = 23257362099
BaseRepresentation
bin11011001100011…
…01111100000010
3120220020211001200
431212031330002
5431344403440
634345242030
75440002540
oct1546157402
9526224050
10228122370
11107850793
1264493316
1338352768
1422422d90
1515061c30
hexd98df02

228122370 has 48 divisors (see below), whose sum is σ = 677851200. Its totient is φ = 52142112.

The previous prime is 228122357. The next prime is 228122383. The reversal of 228122370 is 73221822.

It is a happy number.

228122370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228122357) and next prime (228122383).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180420 + ... + 181679.

It is an arithmetic number, because the mean of its divisors is an integer number (14121900).

Almost surely, 2228122370 is an apocalyptic number.

228122370 is an abundant number, since it is smaller than the sum of its proper divisors (449728830).

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

228122370 is a wasteful number, since it uses less digits than its factorization.

228122370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362119 (or 362116 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 228122370 is about 15103.7204026028. The cubic root of 228122370 is about 611.0207490880.

The spelling of 228122370 in words is "two hundred twenty-eight million, one hundred twenty-two thousand, three hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 362099 724198 1086297 1810495 2172594 2534693 3258891 3620990 5069386 5431485 6517782 7604079 10862970 12673465 15208158 16294455 22812237 25346930 32588910 38020395 45624474 76040790 114061185 228122370