Search a number
-
+
742355208 = 233271472927
BaseRepresentation
bin101100001111110…
…111000100001000
31220201212112220100
4230033313010020
53010020331313
6201355125400
724252625620
oct5417670410
91821775810
10742355208
11351049501
12188743860
13baa4bc4a
1470841880
154528c173
hex2c3f7108

742355208 has 48 divisors (see below), whose sum is σ = 2297767680. Its totient is φ = 212101344.

The previous prime is 742355203. The next prime is 742355209. The reversal of 742355208 is 802553247.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (742355203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735960 + ... + 736967.

It is an arithmetic number, because the mean of its divisors is an integer number (47870160).

Almost surely, 2742355208 is an apocalyptic number.

It is an amenable number.

742355208 is an abundant number, since it is smaller than the sum of its proper divisors (1555412472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742355208 is a wasteful number, since it uses less digits than its factorization.

742355208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472946 (or 1472939 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 742355208 is about 27246.1962115815. The cubic root of 742355208 is about 905.4627459592.

The spelling of 742355208 in words is "seven hundred forty-two million, three hundred fifty-five thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 1472927 2945854 4418781 5891708 8837562 10310489 11783416 13256343 17675124 20620978 26512686 30931467 35350248 41241956 53025372 61862934 82483912 92794401 106050744 123725868 185588802 247451736 371177604 742355208