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1030283440 = 24543299501
BaseRepresentation
bin111101011010001…
…110000010110000
32122210122211011221
4331122032002300
54102223032230
6250122314424
734350156544
oct7532160260
92583584157
101030283440
1148962821a
12249058a14
131355b1194
149ab91a24
15606b427a
hex3d68e0b0

1030283440 has 40 divisors (see below), whose sum is σ = 2451124368. Its totient is φ = 402528000.

The previous prime is 1030283431. The next prime is 1030283461. The reversal of 1030283440 is 443820301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10302834402 = 2122967933476467200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146311 + ... + 153190.

Almost surely, 21030283440 is an apocalyptic number.

1030283440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030283440 is an abundant number, since it is smaller than the sum of its proper divisors (1420840928).

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

1030283440 is a wasteful number, since it uses less digits than its factorization.

1030283440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299557 (or 299551 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1030283440 is about 32098.0285999000. The cubic root of 1030283440 is about 1009.9942619679.

The spelling of 1030283440 in words is "one billion, thirty million, two hundred eighty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 299501 599002 1198004 1497505 2396008 2995010 4792016 5990020 11980040 12878543 23960080 25757086 51514172 64392715 103028344 128785430 206056688 257570860 515141720 1030283440