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214674840 = 233351971009
BaseRepresentation
bin11001100101110…
…10110110011000
3112221221121112000
430302322312120
5414424043330
633145121000
75214464112
oct1462726630
9487847460
10214674840
111001a6426
125ba89160
1335624943
14207223b2
1513ca7560
hexccbad98

214674840 has 128 divisors (see below), whose sum is σ = 719928000. Its totient is φ = 56899584.

The previous prime is 214674839. The next prime is 214674841. The reversal of 214674840 is 48476412.

It is an interprime number because it is at equal distance from previous prime (214674839) and next prime (214674841).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 214674795 and 214674804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214674841) 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, 212256 + ... + 213264.

Almost surely, 2214674840 is an apocalyptic number.

214674840 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 214674840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359964000).

214674840 is an abundant number, since it is smaller than the sum of its proper divisors (505253160).

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

214674840 is a wasteful number, since it uses less digits than its factorization.

214674840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 214674840 is about 14651.7862392269. The cubic root of 214674840 is about 598.7704821976.

The spelling of 214674840 in words is "two hundred fourteen million, six hundred seventy-four thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 197 216 270 360 394 540 591 788 985 1009 1080 1182 1576 1773 1970 2018 2364 2955 3027 3546 3940 4036 4728 5045 5319 5910 6054 7092 7880 8072 8865 9081 10090 10638 11820 12108 14184 15135 17730 18162 20180 21276 23640 24216 26595 27243 30270 35460 36324 40360 42552 45405 53190 54486 60540 70920 72648 90810 106380 108972 121080 136215 181620 198773 212760 217944 272430 363240 397546 544860 596319 795092 993865 1089720 1192638 1590184 1788957 1987730 2385276 2981595 3577914 3975460 4770552 5366871 5963190 7155828 7950920 8944785 10733742 11926380 14311656 17889570 21467484 23852760 26834355 35779140 42934968 53668710 71558280 107337420 214674840