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2228808078 = 232743411371
BaseRepresentation
bin1000010011011000…
…1110100110001110
312202022220011220100
42010312032212032
514031033324303
61005055031530
7106142361510
oct20466164616
95668804810
102228808078
11a44116552
1252250b5a6
132969a9c63
14172019bb0
15d0a0c8a3
hex84d8e98e

2228808078 has 48 divisors (see below), whose sum is σ = 5647314816. Its totient is φ = 621991440.

The previous prime is 2228808067. The next prime is 2228808083. The reversal of 2228808078 is 8708088222.

It is a super-3 number, since 3×22288080783 (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 200268 + ... + 211103.

It is an arithmetic number, because the mean of its divisors is an integer number (117652392).

Almost surely, 22228808078 is an apocalyptic number.

2228808078 is an abundant number, since it is smaller than the sum of its proper divisors (3418506738).

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

2228808078 is a wasteful number, since it uses less digits than its factorization.

2228808078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411429 (or 411426 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 2228808078 is about 47210.2539497512. The cubic root of 2228808078 is about 1306.2437466547.

The spelling of 2228808078 in words is "two billion, two hundred twenty-eight million, eight hundred eight thousand, seventy-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 43 63 86 126 129 258 301 387 602 774 903 1806 2709 5418 411371 822742 1234113 2468226 2879597 3702339 5759194 7404678 8638791 17277582 17688953 25916373 35377906 51832746 53066859 106133718 123822671 159200577 247645342 318401154 371468013 742936026 1114404039 2228808078