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1930072 = 23241259
BaseRepresentation
bin111010111001101011000
310122001120011
413113031120
5443230242
6105211304
722256014
oct7271530
93561504
101930072
1110a9101
12790b34
13527671
14383544
15281d17
hex1d7358

1930072 has 8 divisors (see below), whose sum is σ = 3618900. Its totient is φ = 965032.

The previous prime is 1930057. The next prime is 1930073. The reversal of 1930072 is 2700391.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120622 + ... + 120637.

21930072 is an apocalyptic number.

It is an amenable number.

1930072 is a deficient number, since it is larger than the sum of its proper divisors (1688828).

1930072 is a wasteful number, since it uses less digits than its factorization.

1930072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241265 (or 241261 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1930072 is about 1389.2703120703. The cubic root of 1930072 is about 124.5062549612.

The spelling of 1930072 in words is "one million, nine hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 241259 482518 965036 1930072