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122028146 = 21937229379
BaseRepresentation
bin1110100011000…
…00000001110010
322111121200010222
413101200001302
5222214400041
620035253042
73011136122
oct721400162
9274550128
10122028146
1162977609
1234a4a182
131c387106
14122c6c82
15aaa674b
hex7460072

122028146 has 32 divisors (see below), whose sum is σ = 199272000. Its totient is φ = 55847232.

The previous prime is 122028131. The next prime is 122028149. The reversal of 122028146 is 641820221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122028149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321785 + ... + 322163.

It is an arithmetic number, because the mean of its divisors is an integer number (6227250).

Almost surely, 2122028146 is an apocalyptic number.

122028146 is a deficient number, since it is larger than the sum of its proper divisors (77243854).

122028146 is a wasteful number, since it uses less digits than its factorization.

122028146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 122028146 is about 11046.6350532640. The cubic root of 122028146 is about 496.0057041704.

Adding to 122028146 its reverse (641820221), we get a palindrome (763848367).

The spelling of 122028146 in words is "one hundred twenty-two million, twenty-eight thousand, one hundred forty-six".

Divisors: 1 2 19 37 38 74 229 379 458 703 758 1406 4351 7201 8473 8702 14023 14402 16946 28046 86791 160987 173582 266437 321974 532874 1649029 3211267 3298058 6422534 61014073 122028146