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103011420 = 22355093373
BaseRepresentation
bin1100010001111…
…01010001011100
321011211112002210
412020331101130
5202332331140
614115520420
72360403561
oct610752134
9234745083
10103011420
1153169006
122a5b9110
1318459405
14d976868
15909bd80
hex623d45c

103011420 has 48 divisors (see below), whose sum is σ = 289084320. Its totient is φ = 27407616.

The previous prime is 103011409. The next prime is 103011437. The reversal of 103011420 is 24110301.

It is a happy number.

It is a super-2 number, since 2×1030114202 = 21222705300832800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103011396 and 103011405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28854 + ... + 32226.

It is an arithmetic number, because the mean of its divisors is an integer number (6022590).

Almost surely, 2103011420 is an apocalyptic number.

103011420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103011420 is an abundant number, since it is smaller than the sum of its proper divisors (186072900).

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

103011420 is a wasteful number, since it uses less digits than its factorization.

103011420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894 (or 3892 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 103011420 is about 10149.4541725159. The cubic root of 103011420 is about 468.7721383322.

Adding to 103011420 its reverse (24110301), we get a palindrome (127121721).

The spelling of 103011420 in words is "one hundred three million, eleven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 509 1018 1527 2036 2545 3054 3373 5090 6108 6746 7635 10119 10180 13492 15270 16865 20238 30540 33730 40476 50595 67460 101190 202380 1716857 3433714 5150571 6867428 8584285 10301142 17168570 20602284 25752855 34337140 51505710 103011420