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1102748401 = 17101642253
BaseRepresentation
bin100000110111010…
…1001101011110001
32211212000102102101
41001232221223301
54224300422101
6301231420401
736220130626
oct10156515361
92755012371
101102748401
11516522217
12269384701
13147603961
14a665634d
1566c2a401
hex41ba9af1

1102748401 has 8 divisors (see below), whose sum is σ = 1179178344. Its totient is φ = 1027603200.

The previous prime is 1102748393. The next prime is 1102748417. The reversal of 1102748401 is 1048472011.

It can be written as a sum of positive squares in 4 ways, for example, as 526748401 + 576000000 = 22951^2 + 24000^2 .

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 1102748401 - 23 = 1102748393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102748401.

It is not an unprimeable number, because it can be changed into a prime (1102748431) 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, 319410 + ... + 322843.

It is an arithmetic number, because the mean of its divisors is an integer number (147397293).

Almost surely, 21102748401 is an apocalyptic number.

It is an amenable number.

1102748401 is a deficient number, since it is larger than the sum of its proper divisors (76429943).

1102748401 is a wasteful number, since it uses less digits than its factorization.

1102748401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642371.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1102748401 is about 33207.6557588758. The cubic root of 1102748401 is about 1033.1391336637.

The spelling of 1102748401 in words is "one billion, one hundred two million, seven hundred forty-eight thousand, four hundred one".

Divisors: 1 17 101 1717 642253 10918301 64867553 1102748401