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2025520 = 24573617
BaseRepresentation
bin111101110100000110000
310210220111021
413232200300
51004304040
6111225224
723134210
oct7564060
93726437
102025520
111163892
12818214
1355bc43
143aa240
152a024a
hex1ee830

2025520 has 40 divisors (see below), whose sum is σ = 5383584. Its totient is φ = 694272.

The previous prime is 2025511. The next prime is 2025539. The reversal of 2025520 is 255202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2025494 and 2025503.

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, 1249 + ... + 2368.

22025520 is an apocalyptic number.

2025520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025520 is an abundant number, since it is smaller than the sum of its proper divisors (3358064).

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

2025520 is a wasteful number, since it uses less digits than its factorization.

2025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2025520 is about 1423.2076447237. The cubic root of 2025520 is about 126.5257281274.

The spelling of 2025520 in words is "two million, twenty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 3617 7234 14468 18085 25319 28936 36170 50638 57872 72340 101276 126595 144680 202552 253190 289360 405104 506380 1012760 2025520