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427320152 = 2377630717
BaseRepresentation
bin11001011110000…
…110001101011000
31002210002010001022
4121132012031120
51333343221102
6110222542012
713406106230
oct3136061530
91083063038
10427320152
111aa235a56
12bb137908
136a6b887c
1440a76cc0
15277ad5a2
hex19786358

427320152 has 16 divisors (see below), whose sum is σ = 915686160. Its totient is φ = 183137184.

The previous prime is 427320107. The next prime is 427320167. The reversal of 427320152 is 251023724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815303 + ... + 3815414.

It is an arithmetic number, because the mean of its divisors is an integer number (57230385).

Almost surely, 2427320152 is an apocalyptic number.

It is an amenable number.

427320152 is an abundant number, since it is smaller than the sum of its proper divisors (488366008).

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

427320152 is a wasteful number, since it uses less digits than its factorization.

427320152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630730 (or 7630726 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 427320152 is about 20671.7234888628. The cubic root of 427320152 is about 753.2129728264.

Adding to 427320152 its reverse (251023724), we get a palindrome (678343876).

The spelling of 427320152 in words is "four hundred twenty-seven million, three hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 7630717 15261434 30522868 53415019 61045736 106830038 213660076 427320152