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1421354088 = 2333711217457
BaseRepresentation
bin101010010111000…
…0010010001101000
310200001112021021000
41110232002101220
510402331312323
6353012315000
750136211320
oct12456022150
93601467230
101421354088
1166a354400
12338012a60
1319861732b
14d6ab0280
1584bb1e43
hex54b82468

1421354088 has 384 divisors, whose sum is σ = 5262969600. Its totient is φ = 346705920.

The previous prime is 1421354083. The next prime is 1421354101. The reversal of 1421354088 is 8804531241.

1421354088 is a `hidden beast` number, since 14 + 21 + 3 + 540 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421354083) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3109956 + ... + 3110412.

It is an arithmetic number, because the mean of its divisors is an integer number (13705650).

Almost surely, 21421354088 is an apocalyptic number.

1421354088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421354088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2631484800).

1421354088 is an abundant number, since it is smaller than the sum of its proper divisors (3841615512).

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

1421354088 is a wasteful number, since it uses less digits than its factorization.

1421354088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1421354088 is about 37700.8499638934. The cubic root of 1421354088 is about 1124.3480240084.

The spelling of 1421354088 in words is "one billion, four hundred twenty-one million, three hundred fifty-four thousand, eighty-eight".