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354420425 = 52103137639
BaseRepresentation
bin10101001000000…
…000011011001001
3220200220102102102
4111020000123021
51211212423200
655100243145
711532344462
oct2510003311
9820812372
10354420425
11172074347
129a8404b5
1358573238
14350dbd69
15211ad6d5
hex152006c9

354420425 has 12 divisors (see below), whose sum is σ = 443751360. Its totient is φ = 280781520.

The previous prime is 354420421. The next prime is 354420449. The reversal of 354420425 is 524024453.

It is not a de Polignac number, because 354420425 - 22 = 354420421 is a prime.

It is a super-2 number, since 2×3544204252 = 251227675314361250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354420421) 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, 66245 + ... + 71394.

It is an arithmetic number, because the mean of its divisors is an integer number (36979280).

Almost surely, 2354420425 is an apocalyptic number.

It is an amenable number.

354420425 is a deficient number, since it is larger than the sum of its proper divisors (89330935).

354420425 is a wasteful number, since it uses less digits than its factorization.

354420425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137752 (or 137747 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 354420425 is about 18826.0570752348. The cubic root of 354420425 is about 707.6843322634.

Adding to 354420425 its reverse (524024453), we get a palindrome (878444878).

The spelling of 354420425 in words is "three hundred fifty-four million, four hundred twenty thousand, four hundred twenty-five".

Divisors: 1 5 25 103 515 2575 137639 688195 3440975 14176817 70884085 354420425