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1355250400 = 25527242009
BaseRepresentation
bin101000011000111…
…0111101011100000
310111110010212001021
41100301313223200
510233421003100
6342251415224
745404303230
oct12061675340
93443125037
101355250400
11636004759
12319a54514
13187a1111a
14cbdc3cc0
157dea5a1a
hex50c77ae0

1355250400 has 72 divisors (see below), whose sum is σ = 3781164240. Its totient is φ = 464655360.

The previous prime is 1355250389. The next prime is 1355250427. The reversal of 1355250400 is 40525531.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115405 + ... + 126604.

It is an arithmetic number, because the mean of its divisors is an integer number (52516170).

Almost surely, 21355250400 is an apocalyptic number.

1355250400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355250400 is an abundant number, since it is smaller than the sum of its proper divisors (2425913840).

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

1355250400 is a wasteful number, since it uses less digits than its factorization.

1355250400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242036 (or 242023 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1355250400 is about 36813.7257011566. The cubic root of 1355250400 is about 1106.6403842083.

Adding to 1355250400 its reverse (40525531), we get a palindrome (1395775931).

The spelling of 1355250400 in words is "one billion, three hundred fifty-five million, two hundred fifty thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 200 224 280 350 400 560 700 800 1120 1400 2800 5600 242009 484018 968036 1210045 1694063 1936072 2420090 3388126 3872144 4840180 6050225 6776252 7744288 8470315 9680360 12100450 13552504 16940630 19360720 24200900 27105008 33881260 38721440 42351575 48401800 54210016 67762520 84703150 96803600 135525040 169406300 193607200 271050080 338812600 677625200 1355250400