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740554420 = 22537027721
BaseRepresentation
bin101100001000111…
…111011010110100
31220121111001200111
4230020333122310
53004040220140
6201252352404
724231415534
oct5410773264
91817431614
10740554420
11350029551
12188015704
13ba56b3a8
14704d34c4
15450337ea
hex2c23f6b4

740554420 has 12 divisors (see below), whose sum is σ = 1555164324. Its totient is φ = 296221760.

The previous prime is 740554403. The next prime is 740554429. The reversal of 740554420 is 24455047.

It can be written as a sum of positive squares in 2 ways, for example, as 514473124 + 226081296 = 22682^2 + 15036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740554429) 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, 18513841 + ... + 18513880.

It is an arithmetic number, because the mean of its divisors is an integer number (129597027).

Almost surely, 2740554420 is an apocalyptic number.

It is an amenable number.

740554420 is an abundant number, since it is smaller than the sum of its proper divisors (814609904).

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

740554420 is a wasteful number, since it uses less digits than its factorization.

740554420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37027730 (or 37027728 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 740554420 is about 27213.1295517440. The cubic root of 740554420 is about 904.7300029916.

The spelling of 740554420 in words is "seven hundred forty million, five hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 37027721 74055442 148110884 185138605 370277210 740554420