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2935784025 = 325213047929
BaseRepresentation
bin1010111011111100…
…1000001001011001
321120121012021120200
42232333020021121
522003030042100
61203152012413
7132515516046
oct25677101131
97517167520
102935784025
11127719aa99
1269b231109
1337a2bc615
141dbc8c1cd
15122b0be00
hexaefc8259

2935784025 has 18 divisors (see below), whose sum is σ = 5258315790. Its totient is φ = 1565751360.

The previous prime is 2935784023. The next prime is 2935784053. The reversal of 2935784025 is 5204875392.

It can be written as a sum of positive squares in 3 ways, for example, as 791353161 + 2144430864 = 28131^2 + 46308^2 .

It is not a de Polignac number, because 2935784025 - 21 = 2935784023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2935784023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6523740 + ... + 6524189.

It is an arithmetic number, because the mean of its divisors is an integer number (292128655).

Almost surely, 22935784025 is an apocalyptic number.

2935784025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2935784025 is a deficient number, since it is larger than the sum of its proper divisors (2322531765).

2935784025 is a wasteful number, since it uses less digits than its factorization.

2935784025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13047945 (or 13047937 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 2935784025 is about 54182.8757542455. The cubic root of 2935784025 is about 1431.8846529712.

The spelling of 2935784025 in words is "two billion, nine hundred thirty-five million, seven hundred eighty-four thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 13047929 39143787 65239645 117431361 195718935 326198225 587156805 978594675 2935784025