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1630016430 = 23577979739
BaseRepresentation
bin110000100101000…
…0001001110101110
311012121011102011220
41201022001032232
511314241011210
6425424524210
755251624330
oct14112011656
94177142156
101630016430
11767113519
12395a80666
131cc915383
141166a9450
159817cc70
hex612813ae

1630016430 has 64 divisors (see below), whose sum is σ = 4476971520. Its totient is φ = 372069504.

The previous prime is 1630016429. The next prime is 1630016449. The reversal of 1630016430 is 346100361.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630016430.

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 31 ways as a sum of consecutive naturals, for example, 162501 + ... + 172239.

It is an arithmetic number, because the mean of its divisors is an integer number (69952680).

Almost surely, 21630016430 is an apocalyptic number.

1630016430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1630016430 is an abundant number, since it is smaller than the sum of its proper divisors (2846955090).

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

1630016430 is a wasteful number, since it uses less digits than its factorization.

1630016430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1630016430 is about 40373.4619521289. The cubic root of 1630016430 is about 1176.8758760797.

Adding to 1630016430 its reverse (346100361), we get a palindrome (1976116791).

The spelling of 1630016430 in words is "one billion, six hundred thirty million, sixteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 797 1594 2391 3985 4782 5579 7970 9739 11158 11955 16737 19478 23910 27895 29217 33474 48695 55790 58434 68173 83685 97390 136346 146085 167370 204519 292170 340865 409038 681730 1022595 2045190 7761983 15523966 23285949 38809915 46571898 54333881 77619830 108667762 116429745 163001643 232859490 271669405 326003286 543338810 815008215 1630016430