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1430461900 = 225272353827
BaseRepresentation
bin101010101000011…
…0001110111001100
310200200122222211101
41111100301313030
510412144240100
6353535432444
750306503600
oct12520616714
93620588741
101430461900
1167450521a
1233b085724
1319a485a7a
14d7da1500
15858b086a
hex55431dcc

1430461900 has 108 divisors (see below), whose sum is σ = 3625502328. Its totient is φ = 488463360.

The previous prime is 1430461897. The next prime is 1430461913. The reversal of 1430461900 is 91640341.

It is a super-2 number, since 2×14304619002 = 4092442494703220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1729287 + ... + 1730113.

It is an arithmetic number, because the mean of its divisors is an integer number (33569466).

Almost surely, 21430461900 is an apocalyptic number.

1430461900 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 1430461900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812751164).

1430461900 is an abundant number, since it is smaller than the sum of its proper divisors (2195040428).

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

1430461900 is a wasteful number, since it uses less digits than its factorization.

1430461900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1430461900 is about 37821.4476190428. The cubic root of 1430461900 is about 1126.7444606640.

The spelling of 1430461900 in words is "one billion, four hundred thirty million, four hundred sixty-one thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 350 353 490 700 706 827 980 1225 1412 1654 1765 2450 2471 3308 3530 4135 4900 4942 5789 7060 8270 8825 9884 11578 12355 16540 17297 17650 20675 23156 24710 28945 34594 35300 40523 41350 49420 57890 61775 69188 81046 82700 86485 115780 123550 144725 162092 172970 202615 247100 289450 291931 345940 405230 432425 578900 583862 810460 864850 1013075 1167724 1459655 1729700 2026150 2043517 2919310 4052300 4087034 5838620 7298275 8174068 10217585 14304619 14596550 20435170 28609238 29193100 40870340 51087925 57218476 71523095 102175850 143046190 204351700 286092380 357615475 715230950 1430461900