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4148940 = 223569149
BaseRepresentation
bin1111110100111011001100
321210210021110
433310323030
52030231230
6224532020
750160015
oct17647314
97723243
104148940
112384184
121481010
13b235c3
147a000c
1556e4b0
hex3f4ecc

4148940 has 24 divisors (see below), whose sum is σ = 11617200. Its totient is φ = 1106368.

The previous prime is 4148933. The next prime is 4148953. The reversal of 4148940 is 498414.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4148898 and 4148907.

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, 34515 + ... + 34634.

It is an arithmetic number, because the mean of its divisors is an integer number (484050).

Almost surely, 24148940 is an apocalyptic number.

It is an amenable number.

4148940 is an abundant number, since it is smaller than the sum of its proper divisors (7468260).

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

4148940 is a wasteful number, since it uses less digits than its factorization.

4148940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69161 (or 69159 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 4148940 is about 2036.8946953635. The cubic root of 4148940 is about 160.6863742710.

The spelling of 4148940 in words is "four million, one hundred forty-eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 69149 138298 207447 276596 345745 414894 691490 829788 1037235 1382980 2074470 4148940