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29797992 = 2332759123
BaseRepresentation
bin111000110101…
…0111001101000
32002001220011100
41301222321220
530112013432
62542401400
7511164420
oct161527150
962056140
1029797992
1115902744
129b90260
136234063
143d59480
15293907c
hex1c6ae68

29797992 has 48 divisors (see below), whose sum is σ = 92233440. Its totient is φ = 8513568.

The previous prime is 29797973. The next prime is 29798017. The reversal of 29797992 is 29979792.

It is a nude number because it is divisible by every one of its digits.

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 in 11 ways as a sum of consecutive naturals, for example, 29058 + ... + 30065.

It is an arithmetic number, because the mean of its divisors is an integer number (1921530).

Almost surely, 229797992 is an apocalyptic number.

It is an amenable number.

29797992 is an abundant number, since it is smaller than the sum of its proper divisors (62435448).

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

29797992 is a wasteful number, since it uses less digits than its factorization.

29797992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59142 (or 59135 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 29797992 is about 5458.7537039145. The cubic root of 29797992 is about 310.0242506176.

It can be divided in two parts, 297 and 97992, that added together give a palindrome (98289).

The spelling of 29797992 in words is "twenty-nine million, seven hundred ninety-seven thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 59123 118246 177369 236492 354738 413861 472984 532107 709476 827722 1064214 1241583 1418952 1655444 2128428 2483166 3310888 3724749 4256856 4966332 7449498 9932664 14898996 29797992