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229077420 = 2235111326699
BaseRepresentation
bin11011010011101…
…11000110101100
3120222001100010220
431221313012230
5432120434140
634421531340
75451061125
oct1551670654
9528040126
10229077420
11108343290
1264873b50
13385c8390
14225d104c
151519ebd0
hexda771ac

229077420 has 96 divisors (see below), whose sum is σ = 753580800. Its totient is φ = 51260160.

The previous prime is 229077403. The next prime is 229077451. The reversal of 229077420 is 24770922.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4770 + ... + 21929.

It is an arithmetic number, because the mean of its divisors is an integer number (7849800).

Almost surely, 2229077420 is an apocalyptic number.

229077420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229077420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376790400).

229077420 is an abundant number, since it is smaller than the sum of its proper divisors (524503380).

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

229077420 is a wasteful number, since it uses less digits than its factorization.

229077420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26735 (or 26733 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 229077420 is about 15135.3037630568. The cubic root of 229077420 is about 611.8722553656.

The spelling of 229077420 in words is "two hundred twenty-nine million, seventy-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 195 220 260 286 330 390 429 572 660 715 780 858 1430 1716 2145 2860 4290 8580 26699 53398 80097 106796 133495 160194 266990 293689 320388 347087 400485 533980 587378 694174 800970 881067 1041261 1174756 1388348 1468445 1601940 1735435 1762134 2082522 2936890 3470870 3524268 3817957 4165044 4405335 5206305 5873780 6941740 7635914 8810670 10412610 11453871 15271828 17621340 19089785 20825220 22907742 38179570 45815484 57269355 76359140 114538710 229077420