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111346420 = 22531179591
BaseRepresentation
bin1101010001100…
…00001011110100
321202111222120111
412220300023310
5212001041140
615014312404
72521300063
oct650601364
9252458514
10111346420
1157941239
1231358704
131a0b7173
1410b061da
159b967ea
hex6a302f4

111346420 has 24 divisors (see below), whose sum is σ = 241371648. Its totient is φ = 43101600.

The previous prime is 111346349. The next prime is 111346421. The reversal of 111346420 is 24643111.

It is a junction number, because it is equal to n+sod(n) for n = 111346391 and 111346400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111346421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89176 + ... + 90415.

It is an arithmetic number, because the mean of its divisors is an integer number (10057152).

Almost surely, 2111346420 is an apocalyptic number.

111346420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111346420 is an abundant number, since it is smaller than the sum of its proper divisors (130025228).

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

111346420 is a wasteful number, since it uses less digits than its factorization.

111346420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179631 (or 179629 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 111346420 is about 10552.0813112864. The cubic root of 111346420 is about 481.0889916212.

Adding to 111346420 its reverse (24643111), we get a palindrome (135989531).

It can be divided in two parts, 11 and 1346420, that added together give a palindrome (1346431).

The spelling of 111346420 in words is "one hundred eleven million, three hundred forty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 179591 359182 718364 897955 1795910 3591820 5567321 11134642 22269284 27836605 55673210 111346420