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1402034021 = 15721142323
BaseRepresentation
bin101001110010001…
…0101011101100101
310121201011201002222
41103210111131211
510332410042041
6351042242125
746513043513
oct12344253545
93551151088
101402034021
1165a458a03
12331656345
1319461153b
14d42c14b3
158314774b
hex53915765

1402034021 has 8 divisors (see below), whose sum is σ = 1417684704. Its totient is φ = 1386468720.

The previous prime is 1402033967. The next prime is 1402034059. The reversal of 1402034021 is 1204302041.

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 1402034021 - 214 = 1402017637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402033021) 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, 11966 + ... + 54288.

It is an arithmetic number, because the mean of its divisors is an integer number (177210588).

Almost surely, 21402034021 is an apocalyptic number.

It is an amenable number.

1402034021 is a deficient number, since it is larger than the sum of its proper divisors (15650683).

1402034021 is a wasteful number, since it uses less digits than its factorization.

1402034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42691.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1402034021 is about 37443.7447512932. The cubic root of 1402034021 is about 1119.2304505853.

Adding to 1402034021 its reverse (1204302041), we get a palindrome (2606336062).

The spelling of 1402034021 in words is "one billion, four hundred two million, thirty-four thousand, twenty-one".

Divisors: 1 157 211 33127 42323 6644711 8930153 1402034021