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2501420 = 225181691
BaseRepresentation
bin1001100010101100101100
311201002022012
421202230230
51120021140
6125340352
730155525
oct11425454
94632265
102501420
111459399
12a076b8
1369773c
1449184c
15346265
hex262b2c

2501420 has 24 divisors (see below), whose sum is σ = 5289648. Its totient is φ = 993600.

The previous prime is 2501417. The next prime is 2501449. The reversal of 2501420 is 241052.

It is a junction number, because it is equal to n+sod(n) for n = 2501395 and 2501404.

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, 3275 + ... + 3965.

It is an arithmetic number, because the mean of its divisors is an integer number (220402).

22501420 is an apocalyptic number.

2501420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501420 is an abundant number, since it is smaller than the sum of its proper divisors (2788228).

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

2501420 is a wasteful number, since it uses less digits than its factorization.

2501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2501420 is about 1581.5878097659. The cubic root of 2501420 is about 135.7465724528.

Adding to 2501420 its reverse (241052), we get a palindrome (2742472).

The spelling of 2501420 in words is "two million, five hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 181 362 691 724 905 1382 1810 2764 3455 3620 6910 13820 125071 250142 500284 625355 1250710 2501420