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1053909479 = 7359419383
BaseRepresentation
bin111110110100010…
…110000111100111
32201110010011000102
4332310112013213
54124300100404
6252324534315
735055040250
oct7664260747
92643104012
101053909479
114a09a4877
12254b5139b
1313a463b9c
149dd81b27
15627ce71e
hex3ed161e7

1053909479 has 8 divisors (see below), whose sum is σ = 1207825920. Its totient is φ = 900832536.

The previous prime is 1053909463. The next prime is 1053909487. The reversal of 1053909479 is 9749093501.

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

It is a cyclic number.

It is not a de Polignac number, because 1053909479 - 24 = 1053909463 is a prime.

It is a super-2 number, since 2×10539094792 = 2221450379852102882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053903479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207179 + ... + 212204.

It is an arithmetic number, because the mean of its divisors is an integer number (150978240).

Almost surely, 21053909479 is an apocalyptic number.

1053909479 is a deficient number, since it is larger than the sum of its proper divisors (153916441).

1053909479 is an equidigital number, since it uses as much as digits as its factorization.

1053909479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419749.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 1053909479 is about 32463.9720151432. The cubic root of 1053909479 is about 1017.6562484848.

The spelling of 1053909479 in words is "one billion, fifty-three million, nine hundred nine thousand, four hundred seventy-nine".

Divisors: 1 7 359 2513 419383 2935681 150558497 1053909479