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2481530 = 252943199
BaseRepresentation
bin1001011101110101111010
311200002000112
421131311322
51113402110
6125104322
730043532
oct11356572
94602015
102481530
111445457
129b80a2
1368b67c
144884c2
15340405
hex25dd7a

2481530 has 32 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 931392.

The previous prime is 2481517. The next prime is 2481601. The reversal of 2481530 is 351842.

It is a super-2 number, since 2×24815302 = 12315982281800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2481496 and 2481505.

It is a congruent number.

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, 12371 + ... + 12569.

It is an arithmetic number, because the mean of its divisors is an integer number (148500).

22481530 is an apocalyptic number.

2481530 is a deficient number, since it is larger than the sum of its proper divisors (2270470).

2481530 is a wasteful number, since it uses less digits than its factorization.

2481530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2481530 is about 1575.2872753882. The cubic root of 2481530 is about 135.3858190353.

The spelling of 2481530 in words is "two million, four hundred eighty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 29 43 58 86 145 199 215 290 398 430 995 1247 1990 2494 5771 6235 8557 11542 12470 17114 28855 42785 57710 85570 248153 496306 1240765 2481530