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1103402420 = 225891633803
BaseRepresentation
bin100000111000100…
…1001010110110100
32211220020122120022
41001301021112310
54224432334140
6301253424312
736225523451
oct10161112664
92756218508
101103402420
1151692962a
1226963b098
131477a2553
14a6786828
1566d090b5
hex41c495b4

1103402420 has 48 divisors (see below), whose sum is σ = 2358175680. Its totient is φ = 433610496.

The previous prime is 1103402413. The next prime is 1103402453. The reversal of 1103402420 is 242043011.

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, 288239 + ... + 292041.

It is an arithmetic number, because the mean of its divisors is an integer number (49128660).

Almost surely, 21103402420 is an apocalyptic number.

1103402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103402420 is an abundant number, since it is smaller than the sum of its proper divisors (1254773260).

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

1103402420 is a wasteful number, since it uses less digits than its factorization.

1103402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1103402420 is about 33217.5017121999. The cubic root of 1103402420 is about 1033.3433383238.

Adding to 1103402420 its reverse (242043011), we get a palindrome (1345445431).

The spelling of 1103402420 in words is "one billion, one hundred three million, four hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 89 163 178 326 356 445 652 815 890 1630 1780 3260 3803 7606 14507 15212 19015 29014 38030 58028 72535 76060 145070 290140 338467 619889 676934 1239778 1353868 1692335 2479556 3099445 3384670 6198890 6769340 12397780 55170121 110340242 220680484 275850605 551701210 1103402420