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42101430 = 2357200483
BaseRepresentation
bin1010000010011…
…0101010110110
32221012222022020
42200212222312
541234221210
64102214010
71020566460
oct240465266
987188266
1042101430
1121846478
1212124306
1389511b7
14583d130
153a69770
hex2826ab6

42101430 has 32 divisors (see below), whose sum is σ = 115478784. Its totient is φ = 9623136.

The previous prime is 42101419. The next prime is 42101467. The reversal of 42101430 is 3410124.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 100032 + ... + 100451.

It is an arithmetic number, because the mean of its divisors is an integer number (3608712).

Almost surely, 242101430 is an apocalyptic number.

42101430 is an abundant number, since it is smaller than the sum of its proper divisors (73377354).

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

42101430 is a wasteful number, since it uses less digits than its factorization.

42101430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200500.

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

The square root of 42101430 is about 6488.5614738554. The cubic root of 42101430 is about 347.8822596801.

Adding to 42101430 its reverse (3410124), we get a palindrome (45511554).

The spelling of 42101430 in words is "forty-two million, one hundred one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 200483 400966 601449 1002415 1202898 1403381 2004830 2806762 3007245 4210143 6014490 7016905 8420286 14033810 21050715 42101430