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3420478254 = 232961322261
BaseRepresentation
bin1100101111100000…
…0101101100101110
322211101020022001210
43023320011230232
524001120301004
61323224415250
7150522404544
oct31370055456
98741208053
103420478254
1114a5852a36
127b5617526
13426845b3b
142463bbd94
15150450089
hexcbe05b2e

3420478254 has 32 divisors (see below), whose sum is σ = 7192887840. Its totient is φ = 1082793600.

The previous prime is 3420478253. The next prime is 3420478273. The reversal of 3420478254 is 4528740243.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420478253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150517 + ... + 171744.

It is an arithmetic number, because the mean of its divisors is an integer number (224777745).

Almost surely, 23420478254 is an apocalyptic number.

3420478254 is an abundant number, since it is smaller than the sum of its proper divisors (3772409586).

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

3420478254 is a wasteful number, since it uses less digits than its factorization.

3420478254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322356.

The product of its (nonzero) digits is 215040, while the sum is 39.

The square root of 3420478254 is about 58484.8549113358. The cubic root of 3420478254 is about 1506.7074808711.

The spelling of 3420478254 in words is "three billion, four hundred twenty million, four hundred seventy-eight thousand, two hundred fifty-four".

Divisors: 1 2 3 6 29 58 61 87 122 174 183 366 1769 3538 5307 10614 322261 644522 966783 1933566 9345569 18691138 19657921 28036707 39315842 56073414 58973763 117947526 570079709 1140159418 1710239127 3420478254