Search a number
-
+
1445400532 = 22361350133
BaseRepresentation
bin101011000100111…
…0000111111010100
310201201202221210001
41112021300333110
510430010304112
6355231541044
750550462502
oct12611607724
93651687701
101445400532
116819888a4
1234408a784
131a05b64b4
14d9d6d672
1586d61c57
hex56270fd4

1445400532 has 6 divisors (see below), whose sum is σ = 2529450938. Its totient is φ = 722700264.

The previous prime is 1445400521. The next prime is 1445400559. The reversal of 1445400532 is 2350045441.

It can be written as a sum of positive squares in only one way, i.e., 1057940676 + 387459856 = 32526^2 + 19684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1445400532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180675063 + ... + 180675070.

Almost surely, 21445400532 is an apocalyptic number.

It is an amenable number.

1445400532 is a deficient number, since it is larger than the sum of its proper divisors (1084050406).

1445400532 is a wasteful number, since it uses less digits than its factorization.

1445400532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361350137 (or 361350135 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1445400532 is about 38018.4235864666. The cubic root of 1445400532 is about 1130.6531666424.

Adding to 1445400532 its reverse (2350045441), we get a palindrome (3795445973).

The spelling of 1445400532 in words is "one billion, four hundred forty-five million, four hundred thousand, five hundred thirty-two".

Divisors: 1 2 4 361350133 722700266 1445400532