Search a number
-
+
7420764542 = 24217879863
BaseRepresentation
bin1101110100100111…
…11110000101111110
3201011011110220020012
412322103332011332
5110144203431132
63224204423222
7351615313022
oct67223760576
921134426205
107420764542
113168912264
121531247b12
13913537949
145057a8382
152d67300b2
hex1ba4fe17e

7420764542 has 8 divisors (see below), whose sum is σ = 11133799056. Its totient is φ = 3709498192.

The previous prime is 7420764541. The next prime is 7420764577. The reversal of 7420764542 is 2454670247.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7420764542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420764541) 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, 431498 + ... + 448365.

It is an arithmetic number, because the mean of its divisors is an integer number (1391724882).

Almost surely, 27420764542 is an apocalyptic number.

7420764542 is a deficient number, since it is larger than the sum of its proper divisors (3713034514).

7420764542 is a wasteful number, since it uses less digits than its factorization.

7420764542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884082.

The product of its (nonzero) digits is 376320, while the sum is 41.

The square root of 7420764542 is about 86143.8595722295. The cubic root of 7420764542 is about 1950.5161501957.

The spelling of 7420764542 in words is "seven billion, four hundred twenty million, seven hundred sixty-four thousand, five hundred forty-two".

Divisors: 1 2 4217 8434 879863 1759726 3710382271 7420764542