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120422000 = 2453193169
BaseRepresentation
bin1110010110101…
…11111001110000
322101121001221002
413023113321300
5221312001000
615541021132
72661366356
oct713277160
9271531832
10120422000
1161a7a916
12343b47a8
131bc4402a
1411dc97d6
15a88a8d5
hex72d7e70

120422000 has 80 divisors (see below), whose sum is σ = 306602400. Its totient is φ = 45619200.

The previous prime is 120421993. The next prime is 120422017. The reversal of 120422000 is 224021.

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

It is a congruent number.

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, 36416 + ... + 39584.

It is an arithmetic number, because the mean of its divisors is an integer number (3832530).

Almost surely, 2120422000 is an apocalyptic number.

120422000 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 120422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153301200).

120422000 is an abundant number, since it is smaller than the sum of its proper divisors (186180400).

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

120422000 is a wasteful number, since it uses less digits than its factorization.

120422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 120422000 is about 10973.6958222834. The cubic root of 120422000 is about 493.8199281400.

Adding to 120422000 its reverse (224021), we get a palindrome (120646021).

The spelling of 120422000 in words is "one hundred twenty million, four hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 125 152 190 200 250 304 380 400 475 500 760 950 1000 1520 1900 2000 2375 3169 3800 4750 6338 7600 9500 12676 15845 19000 25352 31690 38000 50704 60211 63380 79225 120422 126760 158450 240844 253520 301055 316900 396125 481688 602110 633800 792250 963376 1204220 1267600 1505275 1584500 2408440 3010550 3169000 4816880 6021100 6338000 7526375 12042200 15052750 24084400 30105500 60211000 120422000