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2405551242 = 23400925207
BaseRepresentation
bin1000111101100001…
…1100110010001010
320012122110122221110
42033120130302022
514411310114432
61034411151150
7113416563633
oct21730346212
96178418843
102405551242
111024964286
125717454b6
132c44b0603
1418b6a688a
15e12c0dcc
hex8f61cc8a

2405551242 has 8 divisors (see below), whose sum is σ = 4811102496. Its totient is φ = 801850412.

The previous prime is 2405551177. The next prime is 2405551249. The reversal of 2405551242 is 2421555042.

It is a sphenic number, since it is the product of 3 distinct primes.

2405551242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2405551249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200462598 + ... + 200462609.

It is an arithmetic number, because the mean of its divisors is an integer number (601387812).

Almost surely, 22405551242 is an apocalyptic number.

2405551242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2405551242 is a wasteful number, since it uses less digits than its factorization.

2405551242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400925212.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2405551242 is about 49046.4192576787. The cubic root of 2405551242 is about 1339.8973787157.

The spelling of 2405551242 in words is "two billion, four hundred five million, five hundred fifty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 400925207 801850414 1202775621 2405551242