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103402152 = 2332735379
BaseRepresentation
bin1100010100111…
…00101010101000
321012120101002100
412022130222220
5202432332102
614132133400
72363622000
oct612345250
9235511070
10103402152
1153405627
122a767260
1318565209
14da39000
159127a1c
hex629caa8

103402152 has 192 divisors, whose sum is σ = 336960000. Its totient is φ = 28619136.

The previous prime is 103402141. The next prime is 103402157. The reversal of 103402152 is 251204301.

It is a super-2 number, since 2×1034021522 = 21384010076462208, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103402157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1308849 + ... + 1308927.

It is an arithmetic number, because the mean of its divisors is an integer number (1755000).

Almost surely, 2103402152 is an apocalyptic number.

103402152 is a gapful number since it is divisible by the number (12) 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 103402152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168480000).

103402152 is an abundant number, since it is smaller than the sum of its proper divisors (233557848).

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

103402152 is a wasteful number, since it uses less digits than its factorization.

103402152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103402152 is about 10168.6848707195. The cubic root of 103402152 is about 469.3640894495.

Adding to 103402152 its reverse (251204301), we get a palindrome (354606453).

The spelling of 103402152 in words is "one hundred three million, four hundred two thousand, one hundred fifty-two".