Search a number
-
+
29799120 = 2435139551
BaseRepresentation
bin111000110101…
…1001011010000
32002001221201010
41301223023100
530112032440
62542410520
7511200621
oct161531320
962057633
1029799120
111590357a
129b90a40
136234720
143d59a48
152939580
hex1c6b2d0

29799120 has 80 divisors (see below), whose sum is σ = 99493632. Its totient is φ = 7334400.

The previous prime is 29799109. The next prime is 29799131. The reversal of 29799120 is 2199792.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29799109) and next prime (29799131).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656 + ... + 7895.

Almost surely, 229799120 is an apocalyptic number.

29799120 is a gapful number since it is divisible by the number (20) 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 29799120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49746816).

29799120 is an abundant number, since it is smaller than the sum of its proper divisors (69694512).

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

29799120 is a wasteful number, since it uses less digits than its factorization.

29799120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580 (or 9574 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 29799120 is about 5458.8570232238. The cubic root of 29799120 is about 310.0281625472.

The spelling of 29799120 in words is "twenty-nine million, seven hundred ninety-nine thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 9551 19102 28653 38204 47755 57306 76408 95510 114612 124163 143265 152816 191020 229224 248326 286530 372489 382040 458448 496652 573060 620815 744978 764080 993304 1146120 1241630 1489956 1862445 1986608 2292240 2483260 2979912 3724890 4966520 5959824 7449780 9933040 14899560 29799120