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2520788 = 22630197
BaseRepresentation
bin1001100111011011010100
311202001212112
421213123110
51121131123
6130010152
730266144
oct11473324
94661775
102520788
1114719a6
12a16958
136a34ba
14498924
1534bd78
hex2676d4

2520788 has 6 divisors (see below), whose sum is σ = 4411386. Its totient is φ = 1260392.

The previous prime is 2520781. The next prime is 2520797. The reversal of 2520788 is 8870252.

It can be written as a sum of positive squares in only one way, i.e., 2316484 + 204304 = 1522^2 + 452^2 .

It is a d-powerful number, because it can be written as 210 + 57 + 216 + 0 + 75 + 86 + 87 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315095 + ... + 315102.

It is an arithmetic number, because the mean of its divisors is an integer number (735231).

22520788 is an apocalyptic number.

It is an amenable number.

2520788 is a deficient number, since it is larger than the sum of its proper divisors (1890598).

2520788 is a wasteful number, since it uses less digits than its factorization.

2520788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630201 (or 630199 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2520788 is about 1587.6989639097. The cubic root of 2520788 is about 136.0960250329.

The spelling of 2520788 in words is "two million, five hundred twenty thousand, seven hundred eighty-eight".

Divisors: 1 2 4 630197 1260394 2520788