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2415989401 = 71999172657
BaseRepresentation
bin1001000000000001…
…0001001010011001
320020101002222101221
42100000101022121
514421443130101
61035423012041
7113604366610
oct22000211231
96211088357
102415989401
11102a843661
1257513a021
132c66c6737
1418cc22877
15e2183aa1
hex90011299

2415989401 has 8 divisors (see below), whose sum is σ = 2762528000. Its totient is φ = 2069800128.

The previous prime is 2415989399. The next prime is 2415989431. The reversal of 2415989401 is 1049895142.

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

It is a cyclic number.

It is not a de Polignac number, because 2415989401 - 21 = 2415989399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2415989431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72336 + ... + 100321.

It is an arithmetic number, because the mean of its divisors is an integer number (345316000).

Almost surely, 22415989401 is an apocalyptic number.

It is an amenable number.

2415989401 is a deficient number, since it is larger than the sum of its proper divisors (346538599).

2415989401 is a wasteful number, since it uses less digits than its factorization.

2415989401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174663.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 2415989401 is about 49152.7150928614. The cubic root of 2415989401 is about 1341.8326082024.

The spelling of 2415989401 in words is "two billion, four hundred fifteen million, nine hundred eighty-nine thousand, four hundred one".

Divisors: 1 7 1999 13993 172657 1208599 345141343 2415989401