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29007420 = 22351337189
BaseRepresentation
bin110111010100…
…1111000111100
32000120201200220
41232221320330
524411214140
62513421340
7501362511
oct156517074
960521626
1029007420
1115412782
12986a850
136018270
143bd1308
15282ebd0
hex1ba9e3c

29007420 has 48 divisors (see below), whose sum is σ = 87470880. Its totient is φ = 7140096.

The previous prime is 29007403. The next prime is 29007427. The reversal of 29007420 is 2470092.

29007420 = 8322 + 8332 + ... + 8712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29007427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17815 + ... + 19374.

It is an arithmetic number, because the mean of its divisors is an integer number (1822310).

Almost surely, 229007420 is an apocalyptic number.

29007420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29007420 is an abundant number, since it is smaller than the sum of its proper divisors (58463460).

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

29007420 is a wasteful number, since it uses less digits than its factorization.

29007420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37214 (or 37212 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 29007420 is about 5385.8536927770. The cubic root of 29007420 is about 307.2578833121.

The spelling of 29007420 in words is "twenty-nine million, seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 37189 74378 111567 148756 185945 223134 371890 446268 483457 557835 743780 966914 1115670 1450371 1933828 2231340 2417285 2900742 4834570 5801484 7251855 9669140 14503710 29007420