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100304420 = 225171915527
BaseRepresentation
bin1011111101010…
…00011000100100
320222201222210112
411332220120210
5201134220140
613541512152
72325400466
oct576503044
9228658715
10100304420
115168a217
1229712658
1317a1c238
14d470136
158c14c65
hex5fa8624

100304420 has 48 divisors (see below), whose sum is σ = 234783360. Its totient is φ = 35771904.

The previous prime is 100304419. The next prime is 100304429. The reversal of 100304420 is 24403001.

It is a junction number, because it is equal to n+sod(n) for n = 100304395 and 100304404.

It is not an unprimeable number, because it can be changed into a prime (100304429) 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 15 ways as a sum of consecutive naturals, for example, 1304 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (4891320).

Almost surely, 2100304420 is an apocalyptic number.

100304420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100304420 is an abundant number, since it is smaller than the sum of its proper divisors (134478940).

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

100304420 is a wasteful number, since it uses less digits than its factorization.

100304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572 (or 15570 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 100304420 is about 10015.2094336564. The cubic root of 100304420 is about 464.6294037220.

Adding to 100304420 its reverse (24403001), we get a palindrome (124707421).

The spelling of 100304420 in words is "one hundred million, three hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 1292 1615 3230 6460 15527 31054 62108 77635 155270 263959 295013 310540 527918 590026 1055836 1180052 1319795 1475065 2639590 2950130 5015221 5279180 5900260 10030442 20060884 25076105 50152210 100304420