Search a number
-
+
30376398 = 23132291033
BaseRepresentation
bin111001111100…
…0000111001110
32010011021120210
41303320013032
530234021043
63003023250
7516123633
oct163700716
963137523
1030376398
1116168268
12a20ab26
1363a7400
14406a18a
152a00633
hex1cf81ce

30376398 has 48 divisors (see below), whose sum is σ = 68119920. Its totient is φ = 9015552.

The previous prime is 30376387. The next prime is 30376403. The reversal of 30376398 is 89367303.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28890 + ... + 29922.

It is an arithmetic number, because the mean of its divisors is an integer number (1419165).

Almost surely, 230376398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30376398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34059960).

30376398 is an abundant number, since it is smaller than the sum of its proper divisors (37743522).

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

30376398 is a wasteful number, since it uses less digits than its factorization.

30376398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 30376398 is about 5511.4787489384. The cubic root of 30376398 is about 312.0173601451.

The spelling of 30376398 in words is "thirty million, three hundred seventy-six thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 13 26 29 39 58 78 87 169 174 338 377 507 754 1014 1033 1131 2066 2262 3099 4901 6198 9802 13429 14703 26858 29406 29957 40287 59914 80574 89871 174577 179742 349154 389441 523731 778882 1047462 1168323 2336646 5062733 10125466 15188199 30376398