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122297530 = 2579154807
BaseRepresentation
bin1110100101000…
…01110010111010
322112010100200011
413102201302322
5222302010110
620045132134
73013340365
oct722416272
9275110604
10122297530
1163040a43
1234b5a04a
131c44c904
14123570dc
15ab0b48a
hex74a1cba

122297530 has 16 divisors (see below), whose sum is σ = 222923520. Its totient is φ = 48299472.

The previous prime is 122297489. The next prime is 122297563. The reversal of 122297530 is 35792221.

It is a junction number, because it is equal to n+sod(n) for n = 122297492 and 122297501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76614 + ... + 78193.

It is an arithmetic number, because the mean of its divisors is an integer number (13932720).

Almost surely, 2122297530 is an apocalyptic number.

122297530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122297530 is a deficient number, since it is larger than the sum of its proper divisors (100625990).

122297530 is a wasteful number, since it uses less digits than its factorization.

122297530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154893.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 122297530 is about 11058.8213657695. The cubic root of 122297530 is about 496.3704227587.

The spelling of 122297530 in words is "one hundred twenty-two million, two hundred ninety-seven thousand, five hundred thirty".

Divisors: 1 2 5 10 79 158 395 790 154807 309614 774035 1548070 12229753 24459506 61148765 122297530