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2506490 = 25761587
BaseRepresentation
bin1001100011111011111010
311201100020222
421203323322
51120201430
6125420042
730206360
oct11437372
94640228
102506490
111462188
12a0a622
13699b3c
14493630
153479e5
hex263efa

2506490 has 32 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 843840.

The previous prime is 2506489. The next prime is 2506501. The reversal of 2506490 is 946052.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3977 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

22506490 is an apocalyptic number.

2506490 is an abundant number, since it is smaller than the sum of its proper divisors (2743174).

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

2506490 is a wasteful number, since it uses less digits than its factorization.

2506490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2506490 is about 1583.1898180572. The cubic root of 2506490 is about 135.8382231502.

The spelling of 2506490 in words is "two million, five hundred six thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 61 70 122 305 427 587 610 854 1174 2135 2935 4109 4270 5870 8218 20545 35807 41090 71614 179035 250649 358070 501298 1253245 2506490