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190228000 = 2553192503
BaseRepresentation
bin10110101011010…
…10011000100000
3111020221120202111
423111222120200
5342144244000
630513125104
74466624404
oct1325523040
9436846674
10190228000
1198419126
1253859794
1330545461
141b39b104
1511a78cba
hexb56a620

190228000 has 96 divisors (see below), whose sum is σ = 492186240. Its totient is φ = 72057600.

The previous prime is 190227991. The next prime is 190228007. The reversal of 190228000 is 822091.

It is not an unprimeable number, because it can be changed into a prime (190228007) 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, 74749 + ... + 77251.

It is an arithmetic number, because the mean of its divisors is an integer number (5126940).

Almost surely, 2190228000 is an apocalyptic number.

190228000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190228000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246093120).

190228000 is an abundant number, since it is smaller than the sum of its proper divisors (301958240).

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

190228000 is a wasteful number, since it uses less digits than its factorization.

190228000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547 (or 2529 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 190228000 is about 13792.3167017003. The cubic root of 190228000 is about 575.1195718566.

The spelling of 190228000 in words is "one hundred ninety million, two hundred twenty-eight thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 125 152 160 190 200 250 304 380 400 475 500 608 760 800 950 1000 1520 1900 2000 2375 2503 3040 3800 4000 4750 5006 7600 9500 10012 12515 15200 19000 20024 25030 38000 40048 47557 50060 62575 76000 80096 95114 100120 125150 190228 200240 237785 250300 312875 380456 400480 475570 500600 625750 760912 951140 1001200 1188925 1251500 1521824 1902280 2002400 2377850 2503000 3804560 4755700 5006000 5944625 7609120 9511400 10012000 11889250 19022800 23778500 38045600 47557000 95114000 190228000