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1415485947 = 331142910651
BaseRepresentation
bin101010001011110…
…1001100111111011
310122122111010200110
41110113221213323
510344331022242
6352242435403
750035301121
oct12427514773
93578433613
101415485947
116670065a7
12336062b63
13197341365
14d5dc3911
158440339c
hex545e99fb

1415485947 has 16 divisors (see below), whose sum is σ = 1949742080. Its totient is φ = 912492000.

The previous prime is 1415485919. The next prime is 1415485963. The reversal of 1415485947 is 7495845141.

It is not a de Polignac number, because 1415485947 - 223 = 1407097339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1415485896 and 1415485905.

It is not an unprimeable number, because it can be changed into a prime (1415480947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127572 + ... + 138222.

It is an arithmetic number, because the mean of its divisors is an integer number (121858880).

Almost surely, 21415485947 is an apocalyptic number.

1415485947 is a deficient number, since it is larger than the sum of its proper divisors (534256133).

1415485947 is a wasteful number, since it uses less digits than its factorization.

1415485947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114.

The product of its digits is 806400, while the sum is 48.

The square root of 1415485947 is about 37622.9444222538. The cubic root of 1415485947 is about 1122.7985781855.

The spelling of 1415485947 in words is "one billion, four hundred fifteen million, four hundred eighty-five thousand, nine hundred forty-seven".

Divisors: 1 3 31 93 1429 4287 10651 31953 44299 132897 330181 990543 15220279 45660837 471828649 1415485947