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56229930 = 23351997113
BaseRepresentation
bin1101011010000…
…0000000101010
310220210202222000
43112200000222
5103343324210
65325111430
71251642441
oct326400052
9126722860
1056229930
1129816419
12169b8576
13b859c63
147679d58
154e0aac0
hex35a002a

56229930 has 128 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 13934592.

The previous prime is 56229919. The next prime is 56229977. The reversal of 56229930 is 3992265.

56229930 is a `hidden beast` number, since 562 + 2 + 9 + 93 + 0 = 666.

It is a super-3 number, since 3×562299303 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 497554 + ... + 497666.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 256229930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56229930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

56229930 is an abundant number, since it is smaller than the sum of its proper divisors (104646870).

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

56229930 is a wasteful number, since it uses less digits than its factorization.

56229930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 56229930 is about 7498.6618806291. The cubic root of 56229930 is about 383.1091409083.

The spelling of 56229930 in words is "fifty-six million, two hundred twenty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 90 95 97 113 114 135 171 190 194 226 270 285 291 339 342 485 513 565 570 582 678 855 873 970 1017 1026 1130 1455 1695 1710 1746 1843 2034 2147 2565 2619 2910 3051 3390 3686 4294 4365 5085 5130 5238 5529 6102 6441 8730 9215 10170 10735 10961 11058 12882 13095 15255 16587 18430 19323 21470 21922 26190 27645 30510 32205 32883 33174 38646 49761 54805 55290 57969 64410 65766 82935 96615 98649 99522 109610 115938 164415 165870 193230 197298 208259 248805 289845 295947 328830 416518 493245 497610 579690 591894 624777 986490 1041295 1249554 1479735 1874331 2082590 2959470 3123885 3748662 5622993 6247770 9371655 11245986 18743310 28114965 56229930