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49709772 = 22327197261
BaseRepresentation
bin1011110110100…
…0001011001100
310110112111222200
42331220023030
5100211203042
64533241500
71142345310
oct275501314
9113474880
1049709772
1126072762
1214793290
13a3b6288
14685db40
15456dc4c
hex2f682cc

49709772 has 36 divisors (see below), whose sum is σ = 143606736. Its totient is φ = 14202720.

The previous prime is 49709767. The next prime is 49709791. The reversal of 49709772 is 27790794.

It is a happy number.

49709772 is a `hidden beast` number, since 497 + 0 + 97 + 72 = 666.

49709772 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 super-2 number, since 2×497097722 = 4942122864583968, which contains 22 as substring.

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, 98379 + ... + 98882.

It is an arithmetic number, because the mean of its divisors is an integer number (3989076).

Almost surely, 249709772 is an apocalyptic number.

49709772 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

49709772 is an abundant number, since it is smaller than the sum of its proper divisors (93896964).

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

49709772 is a wasteful number, since it uses less digits than its factorization.

49709772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197278 (or 197273 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 49709772 is about 7050.5157258175. The cubic root of 49709772 is about 367.6889601615.

The spelling of 49709772 in words is "forty-nine million, seven hundred nine thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 197261 394522 591783 789044 1183566 1380827 1775349 2367132 2761654 3550698 4142481 5523308 7101396 8284962 12427443 16569924 24854886 49709772