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29950780 = 2252575827
BaseRepresentation
bin111001001000…
…0001100111100
32002100122202011
41302100030330
530131411110
62545541004
7512402026
oct162201474
962318664
1029950780
11159a7512
12a044764
136288772
143d99016
15296948a
hex1c9033c

29950780 has 24 divisors (see below), whose sum is σ = 63152208. Its totient is φ = 11931648.

The previous prime is 29950771. The next prime is 29950793. The reversal of 29950780 is 8705992.

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 7 ways as a sum of consecutive naturals, for example, 2227 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (2631342).

Almost surely, 229950780 is an apocalyptic number.

29950780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29950780 is an abundant number, since it is smaller than the sum of its proper divisors (33201428).

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

29950780 is a wasteful number, since it uses less digits than its factorization.

29950780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093 (or 6091 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 29950780 is about 5472.7305798842. The cubic root of 29950780 is about 310.5532264839.

The spelling of 29950780 in words is "twenty-nine million, nine hundred fifty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2570 5140 5827 11654 23308 29135 58270 116540 1497539 2995078 5990156 7487695 14975390 29950780