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49397420 = 2252469871
BaseRepresentation
bin1011110001101…
…1111010101100
310102221122112002
42330123322230
5100121204140
64522431432
71136604542
oct274337254
9112848462
1049397420
112597a016
1214662578
13a307057
1467bbd92
15450b415
hex2f1beac

49397420 has 12 divisors (see below), whose sum is σ = 103734624. Its totient is φ = 19758960.

The previous prime is 49397419. The next prime is 49397429. The reversal of 49397420 is 2479394.

It is not an unprimeable number, because it can be changed into a prime (49397429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234916 + ... + 1234955.

It is an arithmetic number, because the mean of its divisors is an integer number (8644552).

Almost surely, 249397420 is an apocalyptic number.

It is an amenable number.

49397420 is an abundant number, since it is smaller than the sum of its proper divisors (54337204).

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

49397420 is a wasteful number, since it uses less digits than its factorization.

49397420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469880 (or 2469878 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 49397420 is about 7028.3298158240. The cubic root of 49397420 is about 366.9172153506.

The spelling of 49397420 in words is "forty-nine million, three hundred ninety-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2469871 4939742 9879484 12349355 24698710 49397420