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1052003430 = 233513928031
BaseRepresentation
bin111110101101000…
…100110001100110
32201022112022102000
4332231010301212
54123303102210
6252220030130
735032611252
oct7655046146
92638468360
101052003430
1149a912825
12254392346
13139c4744a
149da07262
1562554ac0
hex3eb44c66

1052003430 has 64 divisors (see below), whose sum is σ = 2825625600. Its totient is φ = 278506080.

The previous prime is 1052003411. The next prime is 1052003441. The reversal of 1052003430 is 343002501.

It is a super-2 number, since 2×10520034302 = 2213422433463529800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23515 + ... + 51545.

It is an arithmetic number, because the mean of its divisors is an integer number (44150400).

Almost surely, 21052003430 is an apocalyptic number.

1052003430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052003430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412812800).

1052003430 is an abundant number, since it is smaller than the sum of its proper divisors (1773622170).

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

1052003430 is a wasteful number, since it uses less digits than its factorization.

1052003430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28186 (or 28180 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1052003430 is about 32434.6023561258. The cubic root of 1052003430 is about 1017.0423838724.

Adding to 1052003430 its reverse (343002501), we get a palindrome (1395005931).

The spelling of 1052003430 in words is "one billion, fifty-two million, three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 139 270 278 417 695 834 1251 1390 2085 2502 3753 4170 6255 7506 12510 18765 28031 37530 56062 84093 140155 168186 252279 280310 420465 504558 756837 840930 1261395 1513674 2522790 3784185 3896309 7568370 7792618 11688927 19481545 23377854 35066781 38963090 58444635 70133562 105200343 116889270 175333905 210400686 350667810 526001715 1052003430