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8141420 = 225758153
BaseRepresentation
bin11111000011101001101100
3120022121221002
4133003221230
54041011140
6450255432
7126125630
oct37035154
916277832
108141420
114660851
122887578
1318c0911
14111cdc0
15aac415
hex7c3a6c

8141420 has 24 divisors (see below), whose sum is σ = 19539744. Its totient is φ = 2791296.

The previous prime is 8141407. The next prime is 8141423. The reversal of 8141420 is 241418.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 8141392 and 8141401.

It is not an unprimeable number, because it can be changed into a prime (8141423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28937 + ... + 29216.

It is an arithmetic number, because the mean of its divisors is an integer number (814156).

Almost surely, 28141420 is an apocalyptic number.

It is an amenable number.

8141420 is an abundant number, since it is smaller than the sum of its proper divisors (11398324).

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

8141420 is a wasteful number, since it uses less digits than its factorization.

8141420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58169 (or 58167 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8141420 is about 2853.3173675566. The cubic root of 8141420 is about 201.1716230942.

Adding to 8141420 its reverse (241418), we get a palindrome (8382838).

The spelling of 8141420 in words is "eight million, one hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 58153 116306 232612 290765 407071 581530 814142 1163060 1628284 2035355 4070710 8141420