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1901425 = 52194003
BaseRepresentation
bin111010000001101110001
310120121021011
413100031301
5441321200
6104430521
722106341
oct7201561
93517234
101901425
111089629
12778441
13517606
14376d21
152785ba
hex1d0371

1901425 has 12 divisors (see below), whose sum is σ = 2482480. Its totient is φ = 1440720.

The previous prime is 1901413. The next prime is 1901429. The reversal of 1901425 is 5241091.

It is not a de Polignac number, because 1901425 - 211 = 1899377 is a prime.

It is a super-3 number, since 3×19014253 = 20623332982368421875, which contains 333 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1901396 and 1901405.

It is not an unprimeable number, because it can be changed into a prime (1901429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1527 + ... + 2476.

21901425 is an apocalyptic number.

It is an amenable number.

1901425 is a deficient number, since it is larger than the sum of its proper divisors (581055).

1901425 is a wasteful number, since it uses less digits than its factorization.

1901425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1901425 is about 1378.9216801545. The cubic root of 1901425 is about 123.8871892835.

The spelling of 1901425 in words is "one million, nine hundred one thousand, four hundred twenty-five".

Divisors: 1 5 19 25 95 475 4003 20015 76057 100075 380285 1901425