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427421092 = 227101359421
BaseRepresentation
bin11001011110011…
…110110110100100
31002210021020111211
4121132132312210
51333404433332
6110225041204
713410006430
oct3136366644
91083236454
10427421092
111aa2a487a
12bb186204
136a7227b7
1440aa19c0
15277cd447
hex1979eda4

427421092 has 48 divisors (see below), whose sum is σ = 867767040. Its totient is φ = 180432000.

The previous prime is 427421051. The next prime is 427421107. The reversal of 427421092 is 290124724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015042 + ... + 1015462.

It is an arithmetic number, because the mean of its divisors is an integer number (18078480).

Almost surely, 2427421092 is an apocalyptic number.

It is an amenable number.

427421092 is an abundant number, since it is smaller than the sum of its proper divisors (440345948).

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

427421092 is a wasteful number, since it uses less digits than its factorization.

427421092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 427421092 is about 20674.1648440753. The cubic root of 427421092 is about 753.2722752264.

It can be divided in two parts, 42742 and 1092, that added together give a palindrome (43834).

The spelling of 427421092 in words is "four hundred twenty-seven million, four hundred twenty-one thousand, ninety-two".

Divisors: 1 2 4 7 14 28 101 202 359 404 421 707 718 842 1414 1436 1684 2513 2828 2947 5026 5894 10052 11788 36259 42521 72518 85042 145036 151139 170084 253813 297647 302278 507626 595294 604556 1015252 1057973 1190588 2115946 4231892 15265039 30530078 61060156 106855273 213710546 427421092