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49089420 = 22325272719
BaseRepresentation
bin1011101101000…
…0101110001100
310102101000000200
42323100232030
5100031330140
64512053500
71134152562
oct273205614
9112330020
1049089420
1125789676
1214534290
13a229ac3
14673ba32
15449a030
hex2ed0b8c

49089420 has 36 divisors (see below), whose sum is σ = 148905120. Its totient is φ = 13090464.

The previous prime is 49089413. The next prime is 49089433. The reversal of 49089420 is 2498094.

It is a happy number.

49089420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 136180 + ... + 136539.

Almost surely, 249089420 is an apocalyptic number.

It is an amenable number.

49089420 is an abundant number, since it is smaller than the sum of its proper divisors (99815700).

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

49089420 is a wasteful number, since it uses less digits than its factorization.

49089420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272734 (or 272729 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 49089420 is about 7006.3842315420. The cubic root of 49089420 is about 366.1530310522.

The spelling of 49089420 in words is "forty-nine million, eighty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 272719 545438 818157 1090876 1363595 1636314 2454471 2727190 3272628 4090785 4908942 5454380 8181570 9817884 12272355 16363140 24544710 49089420