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1250413020 = 2232516014339
BaseRepresentation
bin100101010000111…
…1100100111011100
310020010212120012100
41022201330213130
510030101204040
6324024405100
742662223003
oct11241744734
93203776170
101250413020
1159190989a
122aa916790
1316c09587c
14bc0d3c3a
1574b97b30
hex4a87c9dc

1250413020 has 72 divisors (see below), whose sum is σ = 3796163280. Its totient is φ = 333158400.

The previous prime is 1250413013. The next prime is 1250413049. The reversal of 1250413020 is 203140521.

1250413020 is a `hidden beast` number, since 1 + 250 + 413 + 0 + 2 + 0 = 666.

1250413020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1250412984 and 1250413002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286011 + ... + 290349.

It is an arithmetic number, because the mean of its divisors is an integer number (52724490).

Almost surely, 21250413020 is an apocalyptic number.

1250413020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250413020 is an abundant number, since it is smaller than the sum of its proper divisors (2545750260).

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

1250413020 is a wasteful number, since it uses less digits than its factorization.

1250413020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955 (or 5950 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1250413020 is about 35361.1795617737. The cubic root of 1250413020 is about 1077.3359752332.

Adding to 1250413020 its reverse (203140521), we get a palindrome (1453553541).

The spelling of 1250413020 in words is "one billion, two hundred fifty million, four hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1601 3202 4339 4803 6404 8005 8678 9606 13017 14409 16010 17356 19212 21695 24015 26034 28818 32020 39051 43390 48030 52068 57636 65085 72045 78102 86780 96060 130170 144090 156204 195255 260340 288180 390510 781020 6946739 13893478 20840217 27786956 34733695 41680434 62520651 69467390 83360868 104201085 125041302 138934780 208402170 250082604 312603255 416804340 625206510 1250413020