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29796949 = 7213291613
BaseRepresentation
bin111000110101…
…0101001010101
32002001211201201
41301222221111
530112000244
62542352501
7511161400
oct161525125
962054651
1029796949
1115901986
129b8b731
136233740
143d58d37
152938ad4
hex1c6aa55

29796949 has 24 divisors (see below), whose sum is σ = 38639160. Its totient is φ = 22748544.

The previous prime is 29796941. The next prime is 29796961. The reversal of 29796949 is 94969792.

It can be written as a sum of positive squares in 4 ways, for example, as 2160900 + 27636049 = 1470^2 + 5257^2 .

It is not a de Polignac number, because 29796949 - 23 = 29796941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29796949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29796941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17667 + ... + 19279.

It is an arithmetic number, because the mean of its divisors is an integer number (1609965).

Almost surely, 229796949 is an apocalyptic number.

29796949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

29796949 is a deficient number, since it is larger than the sum of its proper divisors (8842211).

29796949 is a wasteful number, since it uses less digits than its factorization.

29796949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 55.

The square root of 29796949 is about 5458.6581684513. The cubic root of 29796949 is about 310.0206333821.

It can be divided in two parts, 2 and 9796949, that added together give a triangular number (9796951 = T4426).

The spelling of 29796949 in words is "twenty-nine million, seven hundred ninety-six thousand, nine hundred forty-nine".

Divisors: 1 7 13 29 49 91 203 377 637 1421 1613 2639 11291 18473 20969 46777 79037 146783 327439 608101 1027481 2292073 4256707 29796949