Search a number
-
+
30414040 = 23529157167
BaseRepresentation
bin111010000000…
…1010011011000
32010020012012221
41310001103120
530241222130
63003513424
7516341446
oct164012330
963205187
1030414040
1116193578
12a228874
1363bb597
144079b96
152a0b87a
hex1d014d8

30414040 has 64 divisors (see below), whose sum is σ = 71668800. Its totient is φ = 11601408.

The previous prime is 30414031. The next prime is 30414053. The reversal of 30414040 is 4041403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182037 + ... + 182203.

It is an arithmetic number, because the mean of its divisors is an integer number (1119825).

Almost surely, 230414040 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 30414040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35834400).

30414040 is an abundant number, since it is smaller than the sum of its proper divisors (41254760).

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

30414040 is a wasteful number, since it uses less digits than its factorization.

30414040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30414040 is about 5514.8925646834. The cubic root of 30414040 is about 312.1461894357.

Adding to 30414040 its reverse (4041403), we get a palindrome (34455443).

The spelling of 30414040 in words is "thirty million, four hundred fourteen thousand, forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 157 167 232 290 314 334 580 628 668 785 835 1160 1256 1336 1570 1670 3140 3340 4553 4843 6280 6680 9106 9686 18212 19372 22765 24215 26219 36424 38744 45530 48430 52438 91060 96860 104876 131095 182120 193720 209752 262190 524380 760351 1048760 1520702 3041404 3801755 6082808 7603510 15207020 30414040