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34556420 = 2252935897
BaseRepresentation
bin1000001111010…
…0101000000100
32102000122111102
42003310220010
532321301140
63232355232
7566503403
oct203645004
972018442
1034556420
1118562828
12b6a5b18
13720bbb2
14483763a
153078e15
hex20f4a04

34556420 has 24 divisors (see below), whose sum is σ = 72828504. Its totient is φ = 13773056.

The previous prime is 34556411. The next prime is 34556441. The reversal of 34556420 is 2465543.

It can be written as a sum of positive squares in 4 ways, for example, as 19377604 + 15178816 = 4402^2 + 3896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2912 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (3034521).

Almost surely, 234556420 is an apocalyptic number.

It is an amenable number.

34556420 is an abundant number, since it is smaller than the sum of its proper divisors (38272084).

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

34556420 is a wasteful number, since it uses less digits than its factorization.

34556420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199 (or 6197 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 34556420 is about 5878.4708896107. The cubic root of 34556420 is about 325.7188663633.

It can be divided in two parts, 345 and 56420, that added together give a palindrome (56765).

The spelling of 34556420 in words is "thirty-four million, five hundred fifty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 2930 5860 5897 11794 23588 29485 58970 117940 1727821 3455642 6911284 8639105 17278210 34556420