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2053405454 = 22344639249
BaseRepresentation
bin111101001100100…
…0111101100001110
312022002211210201212
41322121013230032
513201132433304
6535431334422
7101612441552
oct17231075416
95262753655
102053405454
11964103a01
12493821412
13269555819
141569db862
15c041166e
hex7a647b0e

2053405454 has 8 divisors (see below), whose sum is σ = 3214026000. Its totient is φ = 982063456.

The previous prime is 2053405427. The next prime is 2053405489. The reversal of 2053405454 is 4545043502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20534054542 = 8432947917033892232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2053405454.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22319579 + ... + 22319670.

It is an arithmetic number, because the mean of its divisors is an integer number (401753250).

Almost surely, 22053405454 is an apocalyptic number.

2053405454 is a deficient number, since it is larger than the sum of its proper divisors (1160620546).

2053405454 is a wasteful number, since it uses less digits than its factorization.

2053405454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44639274.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 2053405454 is about 45314.5170337277. The cubic root of 2053405454 is about 1271.0371287146.

Adding to 2053405454 its reverse (4545043502), we get a palindrome (6598448956).

The spelling of 2053405454 in words is "two billion, fifty-three million, four hundred five thousand, four hundred fifty-four".

Divisors: 1 2 23 46 44639249 89278498 1026702727 2053405454