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1052406530 = 257139108161
BaseRepresentation
bin111110101110100…
…111001100000010
32201100021210100122
4332232213030002
54123404002110
6252232420242
735036210420
oct7656471402
92640253318
101052406530
114a006866a
12254547682
1313a058a76
149dab0110
15625d4255
hex3eba7302

1052406530 has 32 divisors (see below), whose sum is σ = 2180545920. Its totient is φ = 358225920.

The previous prime is 1052406529. The next prime is 1052406547. The reversal of 1052406530 is 356042501.

It is a super-2 number, since 2×10524065302 = 2215119008773281800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052406530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44351 + ... + 63810.

It is an arithmetic number, because the mean of its divisors is an integer number (68142060).

Almost surely, 21052406530 is an apocalyptic number.

1052406530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052406530 is an abundant number, since it is smaller than the sum of its proper divisors (1128139390).

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

1052406530 is a wasteful number, since it uses less digits than its factorization.

1052406530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108314.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1052406530 is about 32440.8158035522. The cubic root of 1052406530 is about 1017.1722685671.

The spelling of 1052406530 in words is "one billion, fifty-two million, four hundred six thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 139 278 695 973 1390 1946 4865 9730 108161 216322 540805 757127 1081610 1514254 3785635 7571270 15034379 30068758 75171895 105240653 150343790 210481306 526203265 1052406530