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10420404 = 2231575531
BaseRepresentation
bin100111110000…
…000010110100
3201121102002220
4213300002310
510131423104
61011202340
7154400121
oct47600264
921542086
1010420404
115978005
1235a63b0
13220b027
141553748
15dac7d9
hex9f00b4

10420404 has 24 divisors (see below), whose sum is σ = 24473568. Its totient is φ = 3450720.

The previous prime is 10420393. The next prime is 10420411. The reversal of 10420404 is 40402401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882 + ... + 4649.

It is an arithmetic number, because the mean of its divisors is an integer number (1019732).

Almost surely, 210420404 is an apocalyptic number.

It is an amenable number.

10420404 is an abundant number, since it is smaller than the sum of its proper divisors (14053164).

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

10420404 is a wasteful number, since it uses less digits than its factorization.

10420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 10420404 is about 3228.0650551065. The cubic root of 10420404 is about 218.4212319521.

Adding to 10420404 its reverse (40402401), we get a palindrome (50822805).

The spelling of 10420404 in words is "ten million, four hundred twenty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 157 314 471 628 942 1884 5531 11062 16593 22124 33186 66372 868367 1736734 2605101 3473468 5210202 10420404