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7434203420 = 225767792559
BaseRepresentation
bin1101110110001110…
…01111000100011100
3201012002202122220102
412323013033010130
5110211124002140
63225404440232
7352140454310
oct67307170434
921162678812
107434203420
113175461076
121535849078
13916261847
145074a5b40
152d79d6e15
hex1bb1cf11c

7434203420 has 48 divisors (see below), whose sum is σ = 18108410880. Its totient is φ = 2510823744.

The previous prime is 7434203369. The next prime is 7434203437. The reversal of 7434203420 is 243024347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386900 + ... + 405659.

It is an arithmetic number, because the mean of its divisors is an integer number (377258560).

Almost surely, 27434203420 is an apocalyptic number.

7434203420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7434203420 is an abundant number, since it is smaller than the sum of its proper divisors (10674207460).

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

7434203420 is a wasteful number, since it uses less digits than its factorization.

7434203420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792642 (or 792640 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 7434203420 is about 86221.8268189674. The cubic root of 7434203420 is about 1951.6928906209.

Adding to 7434203420 its reverse (243024347), we get a palindrome (7677227767).

The spelling of 7434203420 in words is "seven billion, four hundred thirty-four million, two hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 134 140 268 335 469 670 938 1340 1876 2345 4690 9380 792559 1585118 3170236 3962795 5547913 7925590 11095826 15851180 22191652 27739565 53101453 55479130 106202906 110958260 212405812 265507265 371710171 531014530 743420342 1062029060 1486840684 1858550855 3717101710 7434203420