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30704996 = 2275412027
BaseRepresentation
bin111010100100…
…0010101100100
32010202222100002
41311020111210
530330024441
63014040432
7521662640
oct165102544
963688302
1030704996
1116372133
12a349118
136490b4a
144113c20
152a67b9b
hex1d48564

30704996 has 24 divisors (see below), whose sum is σ = 61553856. Its totient is φ = 13128480.

The previous prime is 30704983. The next prime is 30705013. The reversal of 30704996 is 69940703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14135 + ... + 16161.

It is an arithmetic number, because the mean of its divisors is an integer number (2564744).

Almost surely, 230704996 is an apocalyptic number.

It is an amenable number.

30704996 is an abundant number, since it is smaller than the sum of its proper divisors (30848860).

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

30704996 is a wasteful number, since it uses less digits than its factorization.

30704996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 30704996 is about 5541.2088933734. The cubic root of 30704996 is about 313.1384145578.

The spelling of 30704996 in words is "thirty million, seven hundred four thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 541 1082 2027 2164 3787 4054 7574 8108 14189 15148 28378 56756 1096607 2193214 4386428 7676249 15352498 30704996