Search a number
-
+
412778952 = 233219215881
BaseRepresentation
bin11000100110101…
…000000111001000
31001202201100021100
4120212220013020
51321132411302
6104543141400
713141364115
oct3046500710
91052640240
10412778952
111a2003a33
12b62a4860
1367697001
143cb6d90c
1526389d1c
hex189a81c8

412778952 has 72 divisors (see below), whose sum is σ = 1179953190. Its totient is φ = 130343040.

The previous prime is 412778917. The next prime is 412778963. The reversal of 412778952 is 259877214.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 258373476 + 154405476 = 16074^2 + 12426^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 412778898 and 412778907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18052 + ... + 33932.

Almost surely, 2412778952 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 412778952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589976595).

412778952 is an abundant number, since it is smaller than the sum of its proper divisors (767174238).

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

412778952 is a wasteful number, since it uses less digits than its factorization.

412778952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15931 (or 15905 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 412778952 is about 20316.9621744984. The cubic root of 412778952 is about 744.5705387821.

The spelling of 412778952 in words is "four hundred twelve million, seven hundred seventy-eight thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 361 456 684 722 1083 1368 1444 2166 2888 3249 4332 6498 8664 12996 15881 25992 31762 47643 63524 95286 127048 142929 190572 285858 301739 381144 571716 603478 905217 1143432 1206956 1810434 2413912 2715651 3620868 5431302 5733041 7241736 10862604 11466082 17199123 21725208 22932164 34398246 45864328 51597369 68796492 103194738 137592984 206389476 412778952