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148812940 = 22519391613
BaseRepresentation
bin10001101111010…
…11010010001100
3101101000110222101
420313223102030
5301044003230
622433324444
73454613653
oct1067532214
9341013871
10148812940
1177001401
1241a06724
1324aa47c3
1415a9a19a
15d0e7aca
hex8deb48c

148812940 has 24 divisors (see below), whose sum is σ = 328955760. Its totient is φ = 56392128.

The previous prime is 148812931. The next prime is 148812953. The reversal of 148812940 is 49218841.

148812940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1488129402 = 44290582222887200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148812940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195427 + ... + 196186.

It is an arithmetic number, because the mean of its divisors is an integer number (13706490).

Almost surely, 2148812940 is an apocalyptic number.

148812940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148812940 is an abundant number, since it is smaller than the sum of its proper divisors (180142820).

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

148812940 is a wasteful number, since it uses less digits than its factorization.

148812940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391641 (or 391639 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 148812940 is about 12198.8909331955. The cubic root of 148812940 is about 529.9239715316.

The spelling of 148812940 in words is "one hundred forty-eight million, eight hundred twelve thousand, nine hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 391613 783226 1566452 1958065 3916130 7440647 7832260 14881294 29762588 37203235 74406470 148812940