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1941320 = 23548533
BaseRepresentation
bin111011001111101001000
310122121222202
413121331020
5444110240
6105335332
722333553
oct7317510
93577882
101941320
1111065a7
12797548
1352c814
1438769a
15285315
hex1d9f48

1941320 has 16 divisors (see below), whose sum is σ = 4368060. Its totient is φ = 776512.

The previous prime is 1941307. The next prime is 1941323. The reversal of 1941320 is 231491.

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 42436 = 1378^2 + 206^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1941292 and 1941301.

It is not an unprimeable number, because it can be changed into a prime (1941323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24227 + ... + 24306.

21941320 is an apocalyptic number.

1941320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1941320 is an abundant number, since it is smaller than the sum of its proper divisors (2426740).

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

1941320 is a wasteful number, since it uses less digits than its factorization.

1941320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48544 (or 48540 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1941320 is about 1393.3125995268. The cubic root of 1941320 is about 124.7476509023.

The spelling of 1941320 in words is "one million, nine hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 48533 97066 194132 242665 388264 485330 970660 1941320