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1421230419 = 327194092903
BaseRepresentation
bin101010010110110…
…0100000101010011
310200001021222121200
41110231210011103
510402313333134
6353005522243
750135154630
oct12455440523
93601258550
101421230419
1166a27a4a4
12337b73383
131985a2c5b
14d6a7b187
1584b8a499
hex54b64153

1421230419 has 48 divisors (see below), whose sum is σ = 2476531200. Its totient is φ = 767242368.

The previous prime is 1421230319. The next prime is 1421230439. The reversal of 1421230419 is 9140321241.

It is a happy number.

1421230419 is a `hidden beast` number, since 1 + 4 + 212 + 30 + 419 = 666.

It is not a de Polignac number, because 1421230419 - 216 = 1421164883 is a prime.

It is a super-2 number, since 2×14212304192 = 4039791807781831122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421230392 and 1421230401.

It is not an unprimeable number, because it can be changed into a prime (1421230439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488122 + ... + 491024.

It is an arithmetic number, because the mean of its divisors is an integer number (51594400).

Almost surely, 21421230419 is an apocalyptic number.

1421230419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1421230419 is a deficient number, since it is larger than the sum of its proper divisors (1055300781).

1421230419 is a wasteful number, since it uses less digits than its factorization.

1421230419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1421230419 is about 37699.2097927795. The cubic root of 1421230419 is about 1124.3154140182.

The spelling of 1421230419 in words is "one billion, four hundred twenty-one million, two hundred thirty thousand, four hundred nineteen".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 409 1197 1227 2863 2903 3681 7771 8589 8709 20321 23313 25767 26127 54397 55157 60963 69939 163191 165471 182889 386099 489573 496413 1158297 1187327 3474891 3561981 8311289 10685943 22559213 24933867 67677639 74801601 157914491 203032917 473743473 1421230419