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1035423220 = 225133982397
BaseRepresentation
bin111101101101110…
…100110111110100
32200011022221122011
4331231310313310
54110032020340
6250424414004
734441644406
oct7555646764
92604287564
101035423220
11491518877
1224a917304
13136690780
149b72cb76
1560d7c0ea
hex3db74df4

1035423220 has 24 divisors (see below), whose sum is σ = 2341650024. Its totient is φ = 382310016.

The previous prime is 1035423203. The next prime is 1035423227. The reversal of 1035423220 is 223245301.

It can be written as a sum of positive squares in 4 ways, for example, as 3857296 + 1031565924 = 1964^2 + 32118^2 .

It is a super-3 number, since 3×10354232203 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1035423191 and 1035423200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1035423227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990939 + ... + 1991458.

It is an arithmetic number, because the mean of its divisors is an integer number (97568751).

Almost surely, 21035423220 is an apocalyptic number.

1035423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1035423220 is an abundant number, since it is smaller than the sum of its proper divisors (1306226804).

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

1035423220 is a wasteful number, since it uses less digits than its factorization.

1035423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982419 (or 3982417 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1035423220 is about 32177.9927901042. The cubic root of 1035423220 is about 1011.6709978973.

Adding to 1035423220 its reverse (223245301), we get a palindrome (1258668521).

The spelling of 1035423220 in words is "one billion, thirty-five million, four hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 3982397 7964794 15929588 19911985 39823970 51771161 79647940 103542322 207084644 258855805 517711610 1035423220