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228974309476 = 2211172917336091
BaseRepresentation
bin1101010100111111101…
…1101011000001100100
3210220000121120002222121
43111033323223001210
512222414410400401
6253104522035324
722354124342323
oct3251773530144
9726017502877
10228974309476
1189120034810
1238463048b44
13187910507b3
14b1222120ba
155e51ee4ca1
hex354feeb064

228974309476 has 96 divisors (see below), whose sum is σ = 479161630080. Its totient is φ = 94509004800.

The previous prime is 228974309461. The next prime is 228974309477. The reversal of 228974309476 is 674903479822.

It is a happy number.

It is a super-2 number, since 2×2289743094762 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228974309477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37589191 + ... + 37595281.

It is an arithmetic number, because the mean of its divisors is an integer number (4991266980).

Almost surely, 2228974309476 is an apocalyptic number.

It is an amenable number.

228974309476 is an abundant number, since it is smaller than the sum of its proper divisors (250187320604).

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

228974309476 is a wasteful number, since it uses less digits than its factorization.

228974309476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 228974309476 in words is "two hundred twenty-eight billion, nine hundred seventy-four million, three hundred nine thousand, four hundred seventy-six".

Divisors: 1 2 4 11 17 22 29 34 44 58 68 116 187 319 374 493 638 748 986 1276 1733 1972 3466 5423 6091 6932 10846 12182 19063 21692 24364 29461 38126 50257 58922 67001 76252 100514 103547 117844 134002 176639 201028 207094 268004 324071 353278 414188 552827 648142 706556 854369 1105654 1139017 1296284 1708738 1943029 2211308 2278034 3002863 3417476 3886058 4556068 6005726 7772116 9398059 10555703 12011452 18796118 21111406 33031493 37592236 42222812 66062986 116112733 132125972 179446951 232225466 306115387 358893902 464450932 612230774 717787804 1224461548 1973916461 3367269257 3947832922 5203961579 6734538514 7895665844 10407923158 13469077028 20815846316 57243577369 114487154738 228974309476