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1900070300 = 2252191000037
BaseRepresentation
bin111000101000000…
…1100010110011100
311220102022120110002
41301100030112130
512342404222200
6512313033432
765041221362
oct16120142634
94812276402
101900070300
118955a3a37
124503b5878
1324385986b
141404c5632
15b1c23bd5
hex7140c59c

1900070300 has 36 divisors (see below), whose sum is σ = 4340164920. Its totient is φ = 720025920.

The previous prime is 1900070267. The next prime is 1900070311. The reversal of 1900070300 is 30700091.

It is a super-2 number, since 2×19000703002 = 7220534289884180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

1900070300 is a modest number, since divided by 70300 gives 1900 as remainder.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 498119 + ... + 501918.

Almost surely, 21900070300 is an apocalyptic number.

1900070300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1900070300 is an abundant number, since it is smaller than the sum of its proper divisors (2440094620).

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

1900070300 is a wasteful number, since it uses less digits than its factorization.

1900070300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000070 (or 1000063 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 1900070300 is about 43589.7958242523. The cubic root of 1900070300 is about 1238.5776050438.

Adding to 1900070300 its reverse (30700091), we get a palindrome (1930770391).

The spelling of 1900070300 in words is "one billion, nine hundred million, seventy thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 1000037 2000074 4000148 5000185 10000370 19000703 20000740 25000925 38001406 50001850 76002812 95003515 100003700 190007030 380014060 475017575 950035150 1900070300