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1455430061 = 1797787629
BaseRepresentation
bin101011011000000…
…0001100110101101
310202102122111201002
41112300001212231
510440042230221
6400230530045
751031644221
oct12660014655
93672574632
101455430061
11687609168
12347506925
131a26b8627
14db420781
1587b9380b
hex56c019ad

1455430061 has 8 divisors (see below), whose sum is σ = 1542638520. Its totient is φ = 1368398848.

The previous prime is 1455430057. The next prime is 1455430069. The reversal of 1455430061 is 1600345541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 335256100 + 1120173961 = 18310^2 + 33469^2 .

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 1455430061 - 22 = 1455430057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455430069) 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, 27206 + ... + 60423.

It is an arithmetic number, because the mean of its divisors is an integer number (192829815).

Almost surely, 21455430061 is an apocalyptic number.

It is an amenable number.

1455430061 is a deficient number, since it is larger than the sum of its proper divisors (87208459).

1455430061 is an equidigital number, since it uses as much as digits as its factorization.

1455430061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88623.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1455430061 is about 38150.0990955463. The cubic root of 1455430061 is about 1133.2623143406.

The spelling of 1455430061 in words is "one billion, four hundred fifty-five million, four hundred thirty thousand, sixty-one".

Divisors: 1 17 977 16609 87629 1489693 85613533 1455430061