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49142992 = 243071437
BaseRepresentation
bin1011101101110…
…1110011010000
310102110201111211
42323131303100
5100040033432
64513145504
71134465013
oct273356320
9112421454
1049142992
1125815948
121455b294
13a2482c2
14675337a
1544aad47
hex2eddcd0

49142992 has 10 divisors (see below), whose sum is σ = 95214578. Its totient is φ = 24571488.

The previous prime is 49142981. The next prime is 49143037. The reversal of 49142992 is 29924194.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 1201216 = 6924^2 + 1096^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1535703 + ... + 1535734.

Almost surely, 249142992 is an apocalyptic number.

It is an amenable number.

49142992 is a deficient number, since it is larger than the sum of its proper divisors (46071586).

49142992 is a wasteful number, since it uses less digits than its factorization.

49142992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071445 (or 3071439 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 49142992 is about 7010.2062737126. The cubic root of 49142992 is about 366.2861786763.

The spelling of 49142992 in words is "forty-nine million, one hundred forty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 3071437 6142874 12285748 24571496 49142992