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49804972 = 2273311171
BaseRepresentation
bin1011110111111…
…1011010101100
310110201100120121
42331333122230
5100222224342
64535254324
71143223000
oct275773254
9113640517
1049804972
1126128238
121481a3a4
13a41a6c9
146886700
15458c067
hex2f7f6ac

49804972 has 48 divisors (see below), whose sum is σ = 105011200. Its totient is φ = 20638800.

The previous prime is 49804967. The next prime is 49804973. The reversal of 49804972 is 27940894.

It is not an unprimeable number, because it can be changed into a prime (49804973) 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, 41947 + ... + 43117.

Almost surely, 249804972 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 49804972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52505600).

49804972 is an abundant number, since it is smaller than the sum of its proper divisors (55206228).

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

49804972 is a wasteful number, since it uses less digits than its factorization.

49804972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 49804972 is about 7057.2637757136. The cubic root of 49804972 is about 367.9235328674.

The spelling of 49804972 in words is "forty-nine million, eight hundred four thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 343 434 686 868 1171 1372 1519 2342 3038 4684 6076 8197 10633 16394 21266 32788 36301 42532 57379 72602 114758 145204 229516 254107 401653 508214 803306 1016428 1606612 1778749 3557498 7114996 12451243 24902486 49804972