Search a number
-
+
421536030 = 23553265117
BaseRepresentation
bin11001001000000…
…010000100011110
31002101012020201120
4121020002010132
51330403123110
6105454551410
713305666006
oct3110020436
91071166646
10421536030
111a6a45293
12b9208566
1369441c06
143ddad006
1527019870
hex1920211e

421536030 has 32 divisors (see below), whose sum is σ = 1030778784. Its totient is φ = 110288256.

The previous prime is 421536013. The next prime is 421536041. The reversal of 421536030 is 30635124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130969 + ... + 134148.

It is an arithmetic number, because the mean of its divisors is an integer number (32211837).

Almost surely, 2421536030 is an apocalyptic number.

421536030 is an abundant number, since it is smaller than the sum of its proper divisors (609242754).

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

421536030 is a wasteful number, since it uses less digits than its factorization.

421536030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265180.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 421536030 is about 20531.3426253618. The cubic root of 421536030 is about 749.7990750659.

The spelling of 421536030 in words is "four hundred twenty-one million, five hundred thirty-six thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 265117 530234 795351 1325585 1590702 2651170 3976755 7953510 14051201 28102402 42153603 70256005 84307206 140512010 210768015 421536030