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104020272 = 2432722363
BaseRepresentation
bin1100011001100…
…11100100110000
321020201202222200
412030303210300
5203112122042
614153303200
72402105046
oct614634460
9236652880
10104020272
1153797a74
122aa04b00
1318720675
14db5a396
1591eac4c
hex6333930

104020272 has 30 divisors (see below), whose sum is σ = 291112692. Its totient is φ = 34673376.

The previous prime is 104020271. The next prime is 104020277. The reversal of 104020272 is 272020401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104020271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361038 + ... + 361325.

Almost surely, 2104020272 is an apocalyptic number.

104020272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104020272 is an abundant number, since it is smaller than the sum of its proper divisors (187092420).

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

104020272 is a wasteful number, since it uses less digits than its factorization.

104020272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722377 (or 722368 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 104020272 is about 10199.0328953289. The cubic root of 104020272 is about 470.2974908519.

Adding to 104020272 its reverse (272020401), we get a palindrome (376040673).

It can be divided in two parts, 1040 and 20272, that added together give a palindrome (21312).

The spelling of 104020272 in words is "one hundred four million, twenty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 722363 1444726 2167089 2889452 4334178 5778904 6501267 8668356 11557808 13002534 17336712 26005068 34673424 52010136 104020272