Search a number
-
+
30413408 = 2517371511
BaseRepresentation
bin111010000000…
…1001001100000
32010020011100112
41310001021200
530241212113
63003510452
7516336554
oct164011140
963204315
1030413408
1116193053
12a228428
1363bb1cc
144079864
152a0b5a8
hex1d01260

30413408 has 48 divisors (see below), whose sum is σ = 65155104. Its totient is φ = 13916160.

The previous prime is 30413401. The next prime is 30413413. The reversal of 30413408 is 80431403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30413401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19373 + ... + 20883.

It is an arithmetic number, because the mean of its divisors is an integer number (1357398).

Almost surely, 230413408 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 30413408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32577552).

30413408 is an abundant number, since it is smaller than the sum of its proper divisors (34741696).

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

30413408 is a wasteful number, since it uses less digits than its factorization.

30413408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30413408 is about 5514.8352649921. The cubic root of 30413408 is about 312.1440273010.

The spelling of 30413408 in words is "thirty million, four hundred thirteen thousand, four hundred eight".

Divisors: 1 2 4 8 16 17 32 34 37 68 74 136 148 272 296 544 592 629 1184 1258 1511 2516 3022 5032 6044 10064 12088 20128 24176 25687 48352 51374 55907 102748 111814 205496 223628 410992 447256 821984 894512 950419 1789024 1900838 3801676 7603352 15206704 30413408