Search a number
-
+
132631450 = 25271722291
BaseRepresentation
bin1111110011111…
…00101110011010
3100020120101010221
413321330232122
5232423201300
621054430254
73200230420
oct771745632
9306511127
10132631450
1168959a76
123850238a
132162a463
1413887110
15b99d31a
hex7e7cb9a

132631450 has 48 divisors (see below), whose sum is σ = 298534464. Its totient is φ = 42796800.

The previous prime is 132631417. The next prime is 132631451. The reversal of 132631450 is 54136231.

It is a super-2 number, since 2×1326314502 = 35182203058205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (132631451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5196 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (6219468).

Almost surely, 2132631450 is an apocalyptic number.

132631450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132631450 is an abundant number, since it is smaller than the sum of its proper divisors (165903014).

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

132631450 is a wasteful number, since it uses less digits than its factorization.

132631450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22327 (or 22322 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 132631450 is about 11516.5728409106. The cubic root of 132631450 is about 509.9749443028.

Adding to 132631450 its reverse (54136231), we get a palindrome (186767681).

The spelling of 132631450 in words is "one hundred thirty-two million, six hundred thirty-one thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 17 25 34 35 50 70 85 119 170 175 238 350 425 595 850 1190 2975 5950 22291 44582 111455 156037 222910 312074 378947 557275 757894 780185 1114550 1560370 1894735 2652629 3789470 3900925 5305258 7801850 9473675 13263145 18947350 26526290 66315725 132631450