Search a number
-
+
30413502 = 2337611319
BaseRepresentation
bin111010000000…
…1001010111110
32010020011111000
41310001022332
530241213002
63003511130
7516340050
oct164011276
963204430
1030413502
1116193129
12a2284a6
1363bb272
1440798d0
152a0b61c
hex1d012be

30413502 has 64 divisors (see below), whose sum is σ = 78566400. Its totient is φ = 8540640.

The previous prime is 30413501. The next prime is 30413533. The reversal of 30413502 is 20531403.

It is a super-2 number, since 2×304135022 = 1849962207808008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30413501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22399 + ... + 23717.

It is an arithmetic number, because the mean of its divisors is an integer number (1227600).

Almost surely, 230413502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30413502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39283200).

30413502 is an abundant number, since it is smaller than the sum of its proper divisors (48152898).

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

30413502 is a wasteful number, since it uses less digits than its factorization.

30413502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30413502 is about 5514.8437874522. The cubic root of 30413502 is about 312.1443488862.

Adding to 30413502 its reverse (20531403), we get a palindrome (50944905).

The spelling of 30413502 in words is "thirty million, four hundred thirteen thousand, five hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 61 63 122 126 183 189 366 378 427 549 854 1098 1281 1319 1647 2562 2638 3294 3843 3957 7686 7914 9233 11529 11871 18466 23058 23742 27699 35613 55398 71226 80459 83097 160918 166194 241377 249291 482754 498582 563213 724131 1126426 1448262 1689639 2172393 3379278 4344786 5068917 10137834 15206751 30413502