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102074400 = 25325214177
BaseRepresentation
bin1100001010110…
…00100000100000
321010001220202100
412011120200200
5202112340100
614043450400
72346422001
oct605304040
9233056670
10102074400
115268900a
122a226a00
13181bba6c
14d7b11a8
158e64400
hex6158820

102074400 has 108 divisors (see below), whose sum is σ = 359965242. Its totient is φ = 27217920.

The previous prime is 102074383. The next prime is 102074417. The reversal of 102074400 is 4470201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102074383) and next prime (102074417).

It can be written as a sum of positive squares in 3 ways, for example, as 98962704 + 3111696 = 9948^2 + 1764^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 112 + ... + 14288.

Almost surely, 2102074400 is an apocalyptic number.

102074400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102074400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179982621).

102074400 is an abundant number, since it is smaller than the sum of its proper divisors (257890842).

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

102074400 is a wasteful number, since it uses less digits than its factorization.

102074400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14203 (or 14187 counting only the distinct ones).

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

The square root of 102074400 is about 10103.1876157973. The cubic root of 102074400 is about 467.3464469440.

The spelling of 102074400 in words is "one hundred two million, seventy-four thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 144 150 160 180 200 225 240 288 300 360 400 450 480 600 720 800 900 1200 1440 1800 2400 3600 7200 14177 28354 42531 56708 70885 85062 113416 127593 141770 170124 212655 226832 255186 283540 340248 354425 425310 453664 510372 567080 637965 680496 708850 850620 1020744 1063275 1134160 1275930 1360992 1417700 1701240 2041488 2126550 2268320 2551860 2835400 3189825 3402480 4082976 4253100 5103720 5670800 6379650 6804960 8506200 10207440 11341600 12759300 17012400 20414880 25518600 34024800 51037200 102074400