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354790945 = 5612634423
BaseRepresentation
bin10101001001011…
…010111000100001
3220201121020200101
4111021122320201
51211311302240
655112222401
711535446635
oct2511327041
9821536611
10354790945
111722a7763
129a99aa01
1358672a92
1435196dc5
152123339a
hex1525ae21

354790945 has 16 divisors (see below), whose sum is σ = 434472192. Its totient is φ = 278055360.

The previous prime is 354790913. The next prime is 354790949. The reversal of 354790945 is 549097453.

It is a happy number.

It is not a de Polignac number, because 354790945 - 25 = 354790913 is a prime.

It is a super-2 number, since 2×3547909452 = 251753229307986050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354790895 and 354790904.

It is not an unprimeable number, because it can be changed into a prime (354790949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78004 + ... + 82426.

It is an arithmetic number, because the mean of its divisors is an integer number (27154512).

Almost surely, 2354790945 is an apocalyptic number.

It is an amenable number.

354790945 is a deficient number, since it is larger than the sum of its proper divisors (79681247).

354790945 is a wasteful number, since it uses less digits than its factorization.

354790945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 354790945 is about 18835.8951207528. The cubic root of 354790945 is about 707.9308566916.

The spelling of 354790945 in words is "three hundred fifty-four million, seven hundred ninety thousand, nine hundred forty-five".

Divisors: 1 5 61 263 305 1315 4423 16043 22115 80215 269803 1163249 1349015 5816245 70958189 354790945