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108149040 = 2433550069
BaseRepresentation
bin1100111001000…
…11100100110000
321112111112121000
412130203210300
5210141232130
614422002000
72452152216
oct634434460
9245445530
10108149040
1156057a7a
1230276300
1319537a1c
1410512cb6
159764260
hex6723930

108149040 has 80 divisors (see below), whose sum is σ = 372520800. Its totient is φ = 28839168.

The previous prime is 108149017. The next prime is 108149077. The reversal of 108149040 is 40941801.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 108148995 and 108149013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22875 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (4656510).

Almost surely, 2108149040 is an apocalyptic number.

108149040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108149040 is an abundant number, since it is smaller than the sum of its proper divisors (264371760).

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

108149040 is a wasteful number, since it uses less digits than its factorization.

108149040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50091 (or 50079 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 108149040 is about 10399.4730635739. The cubic root of 108149040 is about 476.4392762446.

The spelling of 108149040 in words is "one hundred eight million, one hundred forty-nine thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 50069 100138 150207 200276 250345 300414 400552 450621 500690 600828 751035 801104 901242 1001380 1201656 1351863 1502070 1802484 2002760 2253105 2403312 2703726 3004140 3604968 4005520 4506210 5407452 6008280 6759315 7209936 9012420 10814904 12016560 13518630 18024840 21629808 27037260 36049680 54074520 108149040