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147069390 = 23513439859
BaseRepresentation
bin10001100010000…
…01100111001110
3101020201220021110
420301001213032
5300122210030
622332112450
73434032506
oct1061014716
9336656243
10147069390
1176020456
1241305726
1324614010
1415764a06
15cda11b0
hex8c419ce

147069390 has 64 divisors (see below), whose sum is σ = 381427200. Its totient is φ = 36077184.

The previous prime is 147069379. The next prime is 147069401. The reversal of 147069390 is 93960741.

It is an interprime number because it is at equal distance from previous prime (147069379) and next prime (147069401).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170781 + ... + 171639.

It is an arithmetic number, because the mean of its divisors is an integer number (5959800).

Almost surely, 2147069390 is an apocalyptic number.

147069390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147069390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190713600).

147069390 is an abundant number, since it is smaller than the sum of its proper divisors (234357810).

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

147069390 is a wasteful number, since it uses less digits than its factorization.

147069390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 147069390 is about 12127.2169107343. The cubic root of 147069390 is about 527.8462376527.

The spelling of 147069390 in words is "one hundred forty-seven million, sixty-nine thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 439 859 878 1317 1718 2195 2577 2634 4295 4390 5154 5707 6585 8590 11167 11414 12885 13170 17121 22334 25770 28535 33501 34242 55835 57070 67002 85605 111670 167505 171210 335010 377101 754202 1131303 1885505 2262606 3771010 4902313 5656515 9804626 11313030 14706939 24511565 29413878 49023130 73534695 147069390