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30034992 = 24313127379
BaseRepresentation
bin111001010010…
…0110000110000
32002111221021010
41302210300300
530142104432
62551430520
7513202401
oct162446060
962457233
1030034992
1115a54809
12a085440
1362b7bb0
143dbb9a8
1529843cc
hex1ca4c30

30034992 has 80 divisors (see below), whose sum is σ = 84439040. Its totient is φ = 9144576.

The previous prime is 30034951. The next prime is 30034993. The reversal of 30034992 is 29943003.

It is not an unprimeable number, because it can be changed into a prime (30034993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79059 + ... + 79437.

It is an arithmetic number, because the mean of its divisors is an integer number (1055488).

Almost surely, 230034992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30034992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42219520).

30034992 is an abundant number, since it is smaller than the sum of its proper divisors (54404048).

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

30034992 is a wasteful number, since it uses less digits than its factorization.

30034992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 30034992 is about 5480.4189620867. The cubic root of 30034992 is about 310.8440128550.

Adding to 30034992 its reverse (29943003), we get a palindrome (59977995).

It can be divided in two parts, 300 and 34992, that multiplied together give a square (10497600 = 32402).

The spelling of 30034992 in words is "thirty million, thirty-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 127 156 208 254 312 379 381 508 624 758 762 1016 1137 1516 1524 1651 2032 2274 3032 3048 3302 4548 4927 4953 6064 6096 6604 9096 9854 9906 13208 14781 18192 19708 19812 26416 29562 39416 39624 48133 59124 78832 79248 96266 118248 144399 192532 236496 288798 385064 577596 625729 770128 1155192 1251458 1877187 2310384 2502916 3754374 5005832 7508748 10011664 15017496 30034992