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30419340 = 22357234767
BaseRepresentation
bin111010000001…
…0100110001100
32010020110111020
41310002212030
530241404330
63003554140
7516363060
oct164024614
963213436
1030419340
1116197556
12a22b950
1363c0b13
14407baa0
152a0d210
hex1d0298c

30419340 has 192 divisors, whose sum is σ = 105283584. Its totient is φ = 6412032.

The previous prime is 30419329. The next prime is 30419353. The reversal of 30419340 is 4391403.

It is a self number, because there is not a number n which added to its sum of digits gives 30419340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453987 + ... + 454053.

It is an arithmetic number, because the mean of its divisors is an integer number (548352).

Almost surely, 230419340 is an apocalyptic number.

30419340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30419340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52641792).

30419340 is an abundant number, since it is smaller than the sum of its proper divisors (74864244).

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

30419340 is a wasteful number, since it uses less digits than its factorization.

30419340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30419340 is about 5515.3730608183. The cubic root of 30419340 is about 312.1643200832.

The spelling of 30419340 in words is "thirty million, four hundred nineteen thousand, three hundred forty".