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49557042 = 2332339901
BaseRepresentation
bin1011110100001…
…0111000110010
310110020202111000
42331002320302
5100141311132
64530102430
71141141113
oct275027062
9113222430
1049557042
1125a78a37
121471aa16
13a3618c2
14682020a
15453d87c
hex2f42e32

49557042 has 32 divisors (see below), whose sum is σ = 114917760. Its totient is φ = 15800400.

The previous prime is 49557041. The next prime is 49557043. The reversal of 49557042 is 24075594.

49557042 is a `hidden beast` number, since 49 + 5 + 570 + 42 = 666.

49557042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49557041) and next prime (49557043).

It is a junction number, because it is equal to n+sod(n) for n = 49556988 and 49557006.

It is not an unprimeable number, because it can be changed into a prime (49557041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18709 + ... + 21192.

It is an arithmetic number, because the mean of its divisors is an integer number (3591180).

Almost surely, 249557042 is an apocalyptic number.

49557042 is an abundant number, since it is smaller than the sum of its proper divisors (65360718).

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

49557042 is a wasteful number, since it uses less digits than its factorization.

49557042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39935 (or 39929 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 49557042 is about 7039.6762709659. The cubic root of 49557042 is about 367.3120071398.

The spelling of 49557042 in words is "forty-nine million, five hundred fifty-seven thousand, forty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 39901 79802 119703 239406 359109 718218 917723 1077327 1835446 2154654 2753169 5506338 8259507 16519014 24778521 49557042