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1472004481 = 6124131221
BaseRepresentation
bin101011110111101…
…0000000110000001
310210120211120112111
41113233100012001
511003313120411
6402022055321
751322555153
oct12757200601
93716746474
101472004481
116959a9832
12350b7a541
131a5c6c78c
14dd6d6ad3
1589369721
hex57bd0181

1472004481 has 4 divisors (see below), whose sum is σ = 1496135764. Its totient is φ = 1447873200.

The previous prime is 1472004473. The next prime is 1472004487. The reversal of 1472004481 is 1844002741.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506970256 + 965034225 = 22516^2 + 31065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472004481 - 23 = 1472004473 is a prime.

It is a super-2 number, since 2×14720044812 = 4333594384168158722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472004487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12065550 + ... + 12065671.

It is an arithmetic number, because the mean of its divisors is an integer number (374033941).

Almost surely, 21472004481 is an apocalyptic number.

It is an amenable number.

1472004481 is a deficient number, since it is larger than the sum of its proper divisors (24131283).

1472004481 is an equidigital number, since it uses as much as digits as its factorization.

1472004481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24131282.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1472004481 is about 38366.7105835254. The cubic root of 1472004481 is about 1137.5479462300.

The spelling of 1472004481 in words is "one billion, four hundred seventy-two million, four thousand, four hundred eighty-one".

Divisors: 1 61 24131221 1472004481