Search a number
-
+
1542404361 = 3677759431
BaseRepresentation
bin101101111101111…
…0011100100001001
310222111022021000110
41123323303210021
511124323414421
6413015024533
753136135501
oct13373634411
93874267013
101542404361
11721713253
1237066b149
131b771b304
14108bc0a01
1590623a76
hex5bef3909

1542404361 has 8 divisors (see below), whose sum is σ = 2059579584. Its totient is φ = 1026749360.

The previous prime is 1542404341. The next prime is 1542404377. The reversal of 1542404361 is 1634042451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1542404361 is a prime.

It is a super-2 number, since 2×15424043612 = 4758022425663636642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1542404341) 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, 377685 + ... + 381746.

It is an arithmetic number, because the mean of its divisors is an integer number (257447448).

Almost surely, 21542404361 is an apocalyptic number.

It is an amenable number.

1542404361 is a deficient number, since it is larger than the sum of its proper divisors (517175223).

1542404361 is an equidigital number, since it uses as much as digits as its factorization.

1542404361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760111.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1542404361 is about 39273.4561886269. The cubic root of 1542404361 is about 1155.4010241420.

The spelling of 1542404361 in words is "one billion, five hundred forty-two million, four hundred four thousand, three hundred sixty-one".

Divisors: 1 3 677 2031 759431 2278293 514134787 1542404361