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1102544381 = 43101253867
BaseRepresentation
bin100000110110111…
…0111110111111101
32211211122001120002
41001231313313331
54224222410011
6301223204045
736215321051
oct10155676775
92754561502
101102544381
115163a2a04
122692a6625
13147561b33
14a6601c61
1566bd9c3b
hex41b77dfd

1102544381 has 8 divisors (see below), whose sum is σ = 1139359584. Its totient is φ = 1066237200.

The previous prime is 1102544341. The next prime is 1102544411. The reversal of 1102544381 is 1834452011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102544381 - 214 = 1102527997 is a prime.

It is a super-2 number, since 2×11025443812 = 2431208224149346322, 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 (1102544341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122591 + ... + 131276.

It is an arithmetic number, because the mean of its divisors is an integer number (142419948).

Almost surely, 21102544381 is an apocalyptic number.

It is an amenable number.

1102544381 is a deficient number, since it is larger than the sum of its proper divisors (36815203).

1102544381 is a wasteful number, since it uses less digits than its factorization.

1102544381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254011.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1102544381 is about 33204.5837347798. The cubic root of 1102544381 is about 1033.0754158818.

Adding to 1102544381 its reverse (1834452011), we get a palindrome (2936996392).

The spelling of 1102544381 in words is "one billion, one hundred two million, five hundred forty-four thousand, three hundred eighty-one".

Divisors: 1 43 101 4343 253867 10916281 25640567 1102544381