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148700720 = 24571312027
BaseRepresentation
bin10001101110011…
…11111000110000
3101100210210001002
420313033320300
5301031410340
622431101132
73453635540
oct1067177060
9340723032
10148700720
1176a35063
12419717a8
1324a656bc
1415a6b320
15d0c4715
hex8dcfe30

148700720 has 80 divisors (see below), whose sum is σ = 398331648. Its totient is φ = 50568960.

The previous prime is 148700701. The next prime is 148700729. The reversal of 148700720 is 27007841.

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

It is a super-2 number, since 2×1487007202 = 44223808257036800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148700729) 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, 72347 + ... + 74373.

Almost surely, 2148700720 is an apocalyptic number.

148700720 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 148700720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199165824).

148700720 is an abundant number, since it is smaller than the sum of its proper divisors (249630928).

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

148700720 is a wasteful number, since it uses less digits than its factorization.

148700720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 148700720 is about 12194.2904672638. The cubic root of 148700720 is about 529.7907326196.

The spelling of 148700720 in words is "one hundred forty-eight million, seven hundred thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 131 140 262 280 524 560 655 917 1048 1310 1834 2027 2096 2620 3668 4054 4585 5240 7336 8108 9170 10135 10480 14189 14672 16216 18340 20270 28378 32432 36680 40540 56756 70945 73360 81080 113512 141890 162160 227024 265537 283780 531074 567560 1062148 1135120 1327685 1858759 2124296 2655370 3717518 4248592 5310740 7435036 9293795 10621480 14870072 18587590 21242960 29740144 37175180 74350360 148700720