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147420000 = 253454713
BaseRepresentation
bin10001100100101…
…11001101100000
3101021101201020000
420302113031200
5300214420000
622343420000
73440022630
oct1062271540
9337351200
10147420000
117623a912
1241454600
1324707790
14158166c0
15ce20000
hex8c97360

147420000 has 600 divisors, whose sum is σ = 666799056. Its totient is φ = 31104000.

The previous prime is 147419989. The next prime is 147420001. The reversal of 147420000 is 24741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147420001) by changing a digit.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 11339994 + ... + 11340006.

Almost surely, 2147420000 is an apocalyptic number.

147420000 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 147420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333399528).

147420000 is an abundant number, since it is smaller than the sum of its proper divisors (519379056).

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

147420000 is an equidigital number, since it uses as much as digits as its factorization.

147420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 147420000 is about 12141.6638069088. The cubic root of 147420000 is about 528.2653624794.

Adding to 147420000 its reverse (24741), we get a palindrome (147444741).

The spelling of 147420000 in words is "one hundred forty-seven million, four hundred twenty thousand".