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102450120 = 2335919929
BaseRepresentation
bin1100001101101…
…00001111001000
321010210000010220
412012310033020
5202211400440
614055510040
72352545253
oct606641710
9233700126
10102450120
1152915323
122a388320
13182c0a96
14d86c09a
158eda8d0
hex61b43c8

102450120 has 64 divisors (see below), whose sum is σ = 308016000. Its totient is φ = 27260928.

The previous prime is 102450097. The next prime is 102450121. The reversal of 102450120 is 21054201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102450120.

It is not an unprimeable number, because it can be changed into a prime (102450121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109816 + ... + 110744.

It is an arithmetic number, because the mean of its divisors is an integer number (4812750).

Almost surely, 2102450120 is an apocalyptic number.

102450120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102450120 is an abundant number, since it is smaller than the sum of its proper divisors (205565880).

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

102450120 is a wasteful number, since it uses less digits than its factorization.

102450120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 102450120 is about 10121.7646682780. The cubic root of 102450120 is about 467.9191547107.

The spelling of 102450120 in words is "one hundred two million, four hundred fifty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 919 929 1838 1858 2757 2787 3676 3716 4595 4645 5514 5574 7352 7432 9190 9290 11028 11148 13785 13935 18380 18580 22056 22296 27570 27870 36760 37160 55140 55740 110280 111480 853751 1707502 2561253 3415004 4268755 5122506 6830008 8537510 10245012 12806265 17075020 20490024 25612530 34150040 51225060 102450120