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151229312 = 271326991
BaseRepresentation
bin10010000001110…
…01001110000000
3101112120020121122
421000321032000
5302203314222
623001211412
73514266533
oct1100711600
9345506548
10151229312
1178401903
1242790b68
132543c600
1416128a1a
15d423a42
hex9039380

151229312 has 48 divisors (see below), whose sum is σ = 326281680. Its totient is φ = 69788160.

The previous prime is 151229311. The next prime is 151229317. The reversal of 151229312 is 213922151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151229311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18137 + ... + 25127.

It is an arithmetic number, because the mean of its divisors is an integer number (6797535).

Almost surely, 2151229312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151229312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163140840).

151229312 is an abundant number, since it is smaller than the sum of its proper divisors (175052368).

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

151229312 is an equidigital number, since it uses as much as digits as its factorization.

151229312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7006 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 151229312 is about 12297.5327606801. The cubic root of 151229312 is about 532.7768250673.

The spelling of 151229312 in words is "one hundred fifty-one million, two hundred twenty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 169 208 338 416 676 832 1352 1664 2704 5408 6991 10816 13982 21632 27964 55928 90883 111856 181766 223712 363532 447424 727064 894848 1181479 1454128 2362958 2908256 4725916 5816512 9451832 11633024 18903664 37807328 75614656 151229312