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313422100 = 225219293563
BaseRepresentation
bin10010101011100…
…111000100010100
3210211202111021221
4102223213010110
51120214001400
651033420124
710524021025
oct2253470424
9724674257
10313422100
11150a11732
1288b6a644
134cc1a184
142d8a8c4c
151c7b0c1a
hex12ae7114

313422100 has 72 divisors (see below), whose sum is σ = 719641440. Its totient is φ = 118154880.

The previous prime is 313422091. The next prime is 313422103. The reversal of 313422100 is 1224313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313422103) 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 23 ways as a sum of consecutive naturals, for example, 556419 + ... + 556981.

It is an arithmetic number, because the mean of its divisors is an integer number (9995020).

Almost surely, 2313422100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313422100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359820720).

313422100 is an abundant number, since it is smaller than the sum of its proper divisors (406219340).

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

313422100 is a wasteful number, since it uses less digits than its factorization.

313422100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 313422100 is about 17703.7312451359. The cubic root of 313422100 is about 679.2712059255.

Adding to 313422100 its reverse (1224313), we get a palindrome (314646413).

The spelling of 313422100 in words is "three hundred thirteen million, four hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 293 380 475 563 586 950 1126 1172 1465 1900 2252 2815 2930 5567 5630 5860 7325 10697 11134 11260 14075 14650 21394 22268 27835 28150 29300 42788 53485 55670 56300 106970 111340 139175 164959 213940 267425 278350 329918 534850 556700 659836 824795 1069700 1649590 3134221 3299180 4123975 6268442 8247950 12536884 15671105 16495900 31342210 62684420 78355525 156711050 313422100