Search a number
-
+
101030442 = 23157107251
BaseRepresentation
bin1100000010110…
…01101000101010
321001002212201020
412001121220222
5201330433232
614005233310
72334513252
oct601315052
9231085636
10101030442
1152035737
1229a02836
1317c14836
14d5bc962
158d09e2c
hex6059a2a

101030442 has 16 divisors (see below), whose sum is σ = 203349792. Its totient is φ = 33462000.

The previous prime is 101030441. The next prime is 101030471. The reversal of 101030442 is 244030101.

It is a super-3 number, since 3×1010304423 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (101030441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52684 + ... + 54567.

It is an arithmetic number, because the mean of its divisors is an integer number (12709362).

Almost surely, 2101030442 is an apocalyptic number.

101030442 is an abundant number, since it is smaller than the sum of its proper divisors (102319350).

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

101030442 is a wasteful number, since it uses less digits than its factorization.

101030442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107413.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 101030442 is about 10051.3900531220. The cubic root of 101030442 is about 465.7477344248.

Adding to 101030442 its reverse (244030101), we get a palindrome (345060543).

The spelling of 101030442 in words is "one hundred one million, thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 157 314 471 942 107251 214502 321753 643506 16838407 33676814 50515221 101030442