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49219092 = 223213251419
BaseRepresentation
bin1011101111000…
…0011000010100
310102121120220100
42323300120110
5100100002332
64514534100
71135232616
oct273603024
9112546810
1049219092
112586803a
1214597330
13a273b30
146772db6
1544c367c
hex2ef0614

49219092 has 72 divisors (see below), whose sum is σ = 134840160. Its totient is φ = 15048000.

The previous prime is 49219091. The next prime is 49219109. The reversal of 49219092 is 29091294.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49219091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117259 + ... + 117677.

It is an arithmetic number, because the mean of its divisors is an integer number (1872780).

Almost surely, 249219092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49219092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67420080).

49219092 is an abundant number, since it is smaller than the sum of its proper divisors (85621068).

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

49219092 is a wasteful number, since it uses less digits than its factorization.

49219092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49219092 is about 7015.6319743841. The cubic root of 49219092 is about 366.4751510419.

The spelling of 49219092 in words is "forty-nine million, two hundred nineteen thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 251 419 468 502 753 838 1004 1257 1506 1676 2259 2514 3012 3263 3771 4518 5028 5447 6526 7542 9036 9789 10894 13052 15084 16341 19578 21788 29367 32682 39156 49023 58734 65364 98046 105169 117468 196092 210338 315507 420676 631014 946521 1262028 1367197 1893042 2734394 3786084 4101591 5468788 8203182 12304773 16406364 24609546 49219092