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1105215072 = 25313885589
BaseRepresentation
bin100000111100000…
…0011111001100000
32212000122202001120
41001320003321200
54230413340242
6301400332240
736250113243
oct10170037140
92760582046
101105215072
11517957495
1226a174080
13147c88620
14a6ad925a
15670661ec
hex41e03e60

1105215072 has 48 divisors (see below), whose sum is σ = 3124361520. Its totient is φ = 340065792.

The previous prime is 1105215037. The next prime is 1105215073. The reversal of 1105215072 is 2705125011.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105215073) 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, 441547 + ... + 444042.

It is an arithmetic number, because the mean of its divisors is an integer number (65090865).

Almost surely, 21105215072 is an apocalyptic number.

1105215072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105215072 is an abundant number, since it is smaller than the sum of its proper divisors (2019146448).

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

1105215072 is a wasteful number, since it uses less digits than its factorization.

1105215072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885615 (or 885607 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 1105215072 is about 33244.7751082783. The cubic root of 1105215072 is about 1033.9088820984.

The spelling of 1105215072 in words is "one billion, one hundred five million, two hundred fifteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 885589 1771178 2656767 3542356 5313534 7084712 10627068 11512657 14169424 21254136 23025314 28338848 34537971 42508272 46050628 69075942 85016544 92101256 138151884 184202512 276303768 368405024 552607536 1105215072