Search a number
-
+
2540000452 = 2211279720639
BaseRepresentation
bin1001011101100101…
…0101010011000100
320120000110101120211
42113121111103010
520200220003302
61100013005204
7116641435063
oct22731252304
96500411524
102540000452
111093844a30
125aa783804
133162c6262
141a14a41da
15ececcad7
hex976554c4

2540000452 has 24 divisors (see below), whose sum is σ = 4851060480. Its totient is φ = 1154076960.

The previous prime is 2540000443. The next prime is 2540000483.

2540000452 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112749 + ... + 133387.

It is an arithmetic number, because the mean of its divisors is an integer number (202127520).

Almost surely, 22540000452 is an apocalyptic number.

2540000452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2540000452 is a deficient number, since it is larger than the sum of its proper divisors (2311060028).

2540000452 is a wasteful number, since it uses less digits than its factorization.

2540000452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23451 (or 23449 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2540000452 is about 50398.4171576846. The cubic root of 2540000452 is about 1364.4090706960.

It can be divided in two parts, 2540000 and 452, that added together give a palindrome (2540452).

The spelling of 2540000452 in words is "two billion, five hundred forty million, four hundred fifty-two", and thus it is an aban number.

Divisors: 1 2 4 11 22 44 2797 5594 11188 20639 30767 41278 61534 82556 123068 227029 454058 908116 57727283 115454566 230909132 635000113 1270000226 2540000452