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122030142 = 23134733287
BaseRepresentation
bin1110100011000…
…00100000111110
322111121202212220
413101200200332
5222214431032
620035310210
73011145003
oct721404076
9274552786
10122030142
1162979063
1234a4b366
131c387cb0
14122c78aa
15aaa712c
hex746083e

122030142 has 32 divisors (see below), whose sum is σ = 268434432. Its totient is φ = 36747744.

The previous prime is 122030099. The next prime is 122030143. The reversal of 122030142 is 241030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122030143) 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, 12978 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (8388576).

Almost surely, 2122030142 is an apocalyptic number.

122030142 is an abundant number, since it is smaller than the sum of its proper divisors (146404290).

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

122030142 is a wasteful number, since it uses less digits than its factorization.

122030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33352.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122030142 is about 11046.7253971482. The cubic root of 122030142 is about 496.0084085246.

Adding to 122030142 its reverse (241030221), we get a palindrome (363060363).

The spelling of 122030142 in words is "one hundred twenty-two million, thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 282 611 1222 1833 3666 33287 66574 99861 199722 432731 865462 1298193 1564489 2596386 3128978 4693467 9386934 20338357 40676714 61015071 122030142