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398230532 = 227113125863
BaseRepresentation
bin10111101111001…
…000010000000100
31000202100012120222
4113233020100010
51303421334112
6103303243512
712603621650
oct2757102004
91022305528
10398230532
11194877547
12b1449598
136467208b
143ac63a60
1524e64372
hex17bc8404

398230532 has 24 divisors (see below), whose sum is σ = 803515776. Its totient is φ = 169158528.

The previous prime is 398230529. The next prime is 398230537. The reversal of 398230532 is 235032893.

It is a junction number, because it is equal to n+sod(n) for n = 398230492 and 398230501.

It is not an unprimeable number, because it can be changed into a prime (398230537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59768 + ... + 66095.

It is an arithmetic number, because the mean of its divisors is an integer number (33479824).

Almost surely, 2398230532 is an apocalyptic number.

It is an amenable number.

398230532 is an abundant number, since it is smaller than the sum of its proper divisors (405285244).

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

398230532 is a wasteful number, since it uses less digits than its factorization.

398230532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125987 (or 125985 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 398230532 is about 19955.7142693515. The cubic root of 398230532 is about 735.7182310872.

The spelling of 398230532 in words is "three hundred ninety-eight million, two hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 3164 125863 251726 503452 881041 1762082 3524164 14222519 28445038 56890076 99557633 199115266 398230532