Search a number
-
+
29957424 = 2437247271
BaseRepresentation
bin111001001000…
…1110100110000
32002100222212020
41302101310300
530132114144
62550031440
7512430300
oct162216460
962328766
1029957424
1115a01502
12a048580
13628b7b3
143d9b600
15296b419
hex1c91d30

29957424 has 120 divisors (see below), whose sum is σ = 92279808. Its totient is φ = 8346240.

The previous prime is 29957407. The next prime is 29957437. The reversal of 29957424 is 42475992.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 110409 + ... + 110679.

Almost surely, 229957424 is an apocalyptic number.

29957424 is a gapful number since it is divisible by the number (24) 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 29957424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46139904).

29957424 is an abundant number, since it is smaller than the sum of its proper divisors (62322384).

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

29957424 is a wasteful number, since it uses less digits than its factorization.

29957424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 330 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 29957424 is about 5473.3375558246. The cubic root of 29957424 is about 310.5761881907.

It can be divided in two parts, 29957 and 424, that added together give a triangular number (30381 = T246).

The spelling of 29957424 in words is "twenty-nine million, nine hundred fifty-seven thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 47 48 49 56 84 94 98 112 141 147 168 188 196 271 282 294 329 336 376 392 542 564 588 658 752 784 813 987 1084 1128 1176 1316 1626 1897 1974 2168 2256 2303 2352 2632 3252 3794 3948 4336 4606 5264 5691 6504 6909 7588 7896 9212 11382 12737 13008 13279 13818 15176 15792 18424 22764 25474 26558 27636 30352 36848 38211 39837 45528 50948 53116 55272 76422 79674 89159 91056 101896 106232 110544 152844 159348 178318 203792 212464 267477 305688 318696 356636 534954 611376 624113 637392 713272 1069908 1248226 1426544 1872339 2139816 2496452 3744678 4279632 4992904 7489356 9985808 14978712 29957424