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1145032415 = 5229006483
BaseRepresentation
bin100010000111111…
…1100111011011111
32221210120200011222
41010033330323133
54321112014130
6305342003555
740242420632
oct10417747337
92853520158
101145032415
1153838288a
1227b5765bb
131532b9c97
14ac101c19
156a7cdce5
hex443fcedf

1145032415 has 4 divisors (see below), whose sum is σ = 1374038904. Its totient is φ = 916025928.

The previous prime is 1145032409. The next prime is 1145032417. The reversal of 1145032415 is 5142305411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5142305411 = 12373415607.

It is a cyclic number.

It is not a de Polignac number, because 1145032415 - 26 = 1145032351 is a prime.

It is a super-2 number, since 2×11450324152 = 2622198462801464450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145032417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114503237 + ... + 114503246.

It is an arithmetic number, because the mean of its divisors is an integer number (343509726).

Almost surely, 21145032415 is an apocalyptic number.

1145032415 is a deficient number, since it is larger than the sum of its proper divisors (229006489).

1145032415 is an equidigital number, since it uses as much as digits as its factorization.

1145032415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229006488.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1145032415 is about 33838.3276034735. The cubic root of 1145032415 is about 1046.1788288877.

Adding to 1145032415 its reverse (5142305411), we get a palindrome (6287337826).

The spelling of 1145032415 in words is "one billion, one hundred forty-five million, thirty-two thousand, four hundred fifteen".

Divisors: 1 5 229006483 1145032415