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2498666620 = 225124933331
BaseRepresentation
bin1001010011101110…
…1010000001111100
320110010200102020011
42110323222001330
520104124312440
61051535033004
7115630213222
oct22473520174
96403612204
102498666620
11107248323a
1259896b764
1330a883578
14199bc4b12
15e95659ea
hex94eea07c

2498666620 has 12 divisors (see below), whose sum is σ = 5247199944. Its totient is φ = 999466640.

The previous prime is 2498666581. The next prime is 2498666657. The reversal of 2498666620 is 266668942.

It is a happy number.

2498666620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62466646 + ... + 62466685.

It is an arithmetic number, because the mean of its divisors is an integer number (437266662).

Almost surely, 22498666620 is an apocalyptic number.

2498666620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2498666620 is an abundant number, since it is smaller than the sum of its proper divisors (2748533324).

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

2498666620 is a wasteful number, since it uses less digits than its factorization.

2498666620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124933340 (or 124933338 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The square root of 2498666620 is about 49986.6644216235. The cubic root of 2498666620 is about 1356.9674753765.

The spelling of 2498666620 in words is "two billion, four hundred ninety-eight million, six hundred sixty-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 124933331 249866662 499733324 624666655 1249333310 2498666620