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124297992 = 233271361311
BaseRepresentation
bin1110110100010…
…10001100001000
322122212222210100
413122022030020
5223310013432
620200045400
73036341550
oct732121410
9278788710
10124297992
1164187a15
1235763860
131c9a0310
1412718160
15ada407c
hex768a308

124297992 has 192 divisors, whose sum is σ = 422472960. Its totient is φ = 32140800.

The previous prime is 124297991. The next prime is 124297997. The reversal of 124297992 is 299792421.

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

It is not an unprimeable number, because it can be changed into a prime (124297991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399517 + ... + 399827.

It is an arithmetic number, because the mean of its divisors is an integer number (2200380).

Almost surely, 2124297992 is an apocalyptic number.

124297992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124297992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211236480).

124297992 is an abundant number, since it is smaller than the sum of its proper divisors (298174968).

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

124297992 is a wasteful number, since it uses less digits than its factorization.

124297992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 124297992 is about 11148.9009323789. The cubic root of 124297992 is about 499.0622316138.

It can be divided in two parts, 124 and 297992, that added together give a square (298116 = 5462).

The spelling of 124297992 in words is "one hundred twenty-four million, two hundred ninety-seven thousand, nine hundred ninety-two".