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1401551422 = 21721407191
BaseRepresentation
bin101001110001001…
…1111101000111110
310121200021012002221
41103202133220332
510332244121142
6351024035554
746505663515
oct12342375076
93550235087
101401551422
1165a159367
12331462bba
131944a298b
14d41d767c
158309e767
hex5389fa3e

1401551422 has 8 divisors (see below), whose sum is σ = 2103553872. Its totient is φ = 700366800.

The previous prime is 1401551413. The next prime is 1401551443. The reversal of 1401551422 is 2241551041.

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

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, 200154 + ... + 207037.

It is an arithmetic number, because the mean of its divisors is an integer number (262944234).

Almost surely, 21401551422 is an apocalyptic number.

1401551422 is a deficient number, since it is larger than the sum of its proper divisors (702002450).

1401551422 is a wasteful number, since it uses less digits than its factorization.

1401551422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408914.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1401551422 is about 37437.2998759259. The cubic root of 1401551422 is about 1119.1020177811.

The spelling of 1401551422 in words is "one billion, four hundred one million, five hundred fifty-one thousand, four hundred twenty-two".

Divisors: 1 2 1721 3442 407191 814382 700775711 1401551422