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104404420 = 225151181191
BaseRepresentation
bin1100011100100…
…01010111000100
321021110021221101
412032101113010
5203211420140
614205425444
72405265031
oct616212704
9237407841
10104404420
1153a2a64a
122ab6b284
1318826483
14dc1a388
15927499a
hex63915c4

104404420 has 48 divisors (see below), whose sum is σ = 223082496. Its totient is φ = 41040000.

The previous prime is 104404403. The next prime is 104404423. The reversal of 104404420 is 24404401.

It is not an unprimeable number, because it can be changed into a prime (104404423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546525 + ... + 546715.

It is an arithmetic number, because the mean of its divisors is an integer number (4647552).

Almost surely, 2104404420 is an apocalyptic number.

104404420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104404420 is an abundant number, since it is smaller than the sum of its proper divisors (118678076).

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

104404420 is a wasteful number, since it uses less digits than its factorization.

104404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 104404420 is about 10217.8481100474. The cubic root of 104404420 is about 470.8757175583.

Subtracting from 104404420 its sum of digits (19), we obtain a palindrome (104404401).

Adding to 104404420 its reverse (24404401), we get a palindrome (128808821).

The spelling of 104404420 in words is "one hundred four million, four hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 151 181 191 302 362 382 604 724 755 764 905 955 1510 1810 1910 3020 3620 3820 27331 28841 34571 54662 57682 69142 109324 115364 136655 138284 144205 172855 273310 288410 345710 546620 576820 691420 5220221 10440442 20880884 26101105 52202210 104404420