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122239148 = 2230559787
BaseRepresentation
bin1110100100100…
…11100010101100
322112000101120212
413102103202230
5222243123043
620044001552
73013005233
oct722234254
9275011525
10122239148
1163001099
1234b302b8
131c42c175
141233db1a
15aae9018
hex74938ac

122239148 has 6 divisors (see below), whose sum is σ = 213918516. Its totient is φ = 61119572.

The previous prime is 122239121. The next prime is 122239177. The reversal of 122239148 is 841932221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15279890 + ... + 15279897.

It is an arithmetic number, because the mean of its divisors is an integer number (35653086).

Almost surely, 2122239148 is an apocalyptic number.

It is an amenable number.

122239148 is a deficient number, since it is larger than the sum of its proper divisors (91679368).

122239148 is a wasteful number, since it uses less digits than its factorization.

122239148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30559791 (or 30559789 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 122239148 is about 11056.1814384533. The cubic root of 122239148 is about 496.2914249502.

The spelling of 122239148 in words is "one hundred twenty-two million, two hundred thirty-nine thousand, one hundred forty-eight".

Divisors: 1 2 4 30559787 61119574 122239148