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1342147620 = 22351117375361
BaseRepresentation
bin100111111111111…
…1000110000100100
310110112111011102010
41033333320300210
510222042210440
6341102514220
745155031552
oct11777706044
93415434363
101342147620
11629675410
12315595970
131850a41b8
14ca372bd2
157cc68580
hex4fff8c24

1342147620 has 384 divisors, whose sum is σ = 4616704512. Its totient is φ = 287539200.

The previous prime is 1342147619. The next prime is 1342147621. The reversal of 1342147620 is 267412431.

It is an interprime number because it is at equal distance from previous prime (1342147619) and next prime (1342147621).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1342147621) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22002390 + ... + 22002450.

It is an arithmetic number, because the mean of its divisors is an integer number (12022668).

Almost surely, 21342147620 is an apocalyptic number.

1342147620 is a gapful number since it is divisible by the number (10) 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 1342147620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308352256).

1342147620 is an abundant number, since it is smaller than the sum of its proper divisors (3274556892).

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

1342147620 is a wasteful number, since it uses less digits than its factorization.

1342147620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1342147620 is about 36635.3329451228. The cubic root of 1342147620 is about 1103.0624358635.

The spelling of 1342147620 in words is "one billion, three hundred forty-two million, one hundred forty-seven thousand, six hundred twenty".